Home / 10,055.10-15,082.65-6,345.30

Finding the Fourth Proportional to 10,055.10, 15,082.65 and 6,345.30

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Solution

The fourth proportional to 10,055.10, 15,082.65 and 6,345.30 is: 9,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.10 : 15,082.65 = 6,345.30 : x
  2. Step 2: Convert to fraction form
    10,055.10/15,082.65 = 6,345.30/x
  3. Step 3: Cross multiply
    10,055.10x = 15,082.65 × 6,345.30
  4. Step 4: Simplify right side
    10,055.10x = 95,703,939.05
  5. Step 5: Solve for x
    x = 95,703,939.05/10,055.10
  6. Step 6: Final answer
    x = 9,517.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.