Home / 10,472.60-15,707.12-3,452.69

Finding the Fourth Proportional to 10,472.60, 15,707.12 and 3,452.69

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Solution

The fourth proportional to 10,472.60, 15,707.12 and 3,452.69 is: 5,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.60 : 15,707.12 = 3,452.69 : x
  2. Step 2: Convert to fraction form
    10,472.60/15,707.12 = 3,452.69/x
  3. Step 3: Cross multiply
    10,472.60x = 15,707.12 × 3,452.69
  4. Step 4: Simplify right side
    10,472.60x = 54,231,838.16
  5. Step 5: Solve for x
    x = 54,231,838.16/10,472.60
  6. Step 6: Final answer
    x = 5,178.45

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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.