Home / 11,782.02-16,259.19-6,477.18

Finding the Fourth Proportional to 11,782.02, 16,259.19 and 6,477.18

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Solution

The fourth proportional to 11,782.02, 16,259.19 and 6,477.18 is: 8,938.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.02 : 16,259.19 = 6,477.18 : x
  2. Step 2: Convert to fraction form
    11,782.02/16,259.19 = 6,477.18/x
  3. Step 3: Cross multiply
    11,782.02x = 16,259.19 × 6,477.18
  4. Step 4: Simplify right side
    11,782.02x = 105,313,683.43
  5. Step 5: Solve for x
    x = 105,313,683.43/11,782.02
  6. Step 6: Final answer
    x = 8,938.51

Related Problems

Find fourth proportional to 5,891.01, 8,129.60 and 3,238.59
Half scale
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Double scale
Find fourth proportional to 11,783.02, 16,260.57 and 6,478.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.