Home / 10,349.10-15,523.65-2,557.91

Finding the Fourth Proportional to 10,349.10, 15,523.65 and 2,557.91

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Solution

The fourth proportional to 10,349.10, 15,523.65 and 2,557.91 is: 3,836.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.10 : 15,523.65 = 2,557.91 : x
  2. Step 2: Convert to fraction form
    10,349.10/15,523.65 = 2,557.91/x
  3. Step 3: Cross multiply
    10,349.10x = 15,523.65 × 2,557.91
  4. Step 4: Simplify right side
    10,349.10x = 39,708,138.38
  5. Step 5: Solve for x
    x = 39,708,138.38/10,349.10
  6. Step 6: Final answer
    x = 3,836.87

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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.