Home / 11,782.33-16,259.21-6,477.11

Finding the Fourth Proportional to 11,782.33, 16,259.21 and 6,477.11

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Solution

The fourth proportional to 11,782.33, 16,259.21 and 6,477.11 is: 8,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,782.33 : 16,259.21 = 6,477.11 : x
  2. Step 2: Convert to fraction form
    11,782.33/16,259.21 = 6,477.11/x
  3. Step 3: Cross multiply
    11,782.33x = 16,259.21 × 6,477.11
  4. Step 4: Simplify right side
    11,782.33x = 105,312,691.68
  5. Step 5: Solve for x
    x = 105,312,691.68/11,782.33
  6. Step 6: Final answer
    x = 8,938.19

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Half scale
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Double scale
Find fourth proportional to 11,783.33, 16,260.59 and 6,478.11
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.