Home / 10,472.16-15,707.92-3,176.16

Finding the Fourth Proportional to 10,472.16, 15,707.92 and 3,176.16

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Solution

The fourth proportional to 10,472.16, 15,707.92 and 3,176.16 is: 4,764.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.16 : 15,707.92 = 3,176.16 : x
  2. Step 2: Convert to fraction form
    10,472.16/15,707.92 = 3,176.16/x
  3. Step 3: Cross multiply
    10,472.16x = 15,707.92 × 3,176.16
  4. Step 4: Simplify right side
    10,472.16x = 49,890,867.19
  5. Step 5: Solve for x
    x = 49,890,867.19/10,472.16
  6. Step 6: Final answer
    x = 4,764.14

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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.