Home / 8,316.19-11,478.68-4,957.93

Finding the Fourth Proportional to 8,316.19, 11,478.68 and 4,957.93

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Solution

The fourth proportional to 8,316.19, 11,478.68 and 4,957.93 is: 6,843.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.19 : 11,478.68 = 4,957.93 : x
  2. Step 2: Convert to fraction form
    8,316.19/11,478.68 = 4,957.93/x
  3. Step 3: Cross multiply
    8,316.19x = 11,478.68 × 4,957.93
  4. Step 4: Simplify right side
    8,316.19x = 56,910,491.93
  5. Step 5: Solve for x
    x = 56,910,491.93/8,316.19
  6. Step 6: Final answer
    x = 6,843.34

Related Problems

Find fourth proportional to 4,158.10, 5,739.34 and 2,478.97
Half scale
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Double scale
Find fourth proportional to 8,317.19, 11,480.06 and 4,958.93
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.