Home / 31,472.04-47,210.78-8,098.28

Finding the Fourth Proportional to 31,472.04, 47,210.78 and 8,098.28

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Solution

The fourth proportional to 31,472.04, 47,210.78 and 8,098.28 is: 12,148.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472.04 : 47,210.78 = 8,098.28 : x
  2. Step 2: Convert to fraction form
    31,472.04/47,210.78 = 8,098.28/x
  3. Step 3: Cross multiply
    31,472.04x = 47,210.78 × 8,098.28
  4. Step 4: Simplify right side
    31,472.04x = 382,326,115.46
  5. Step 5: Solve for x
    x = 382,326,115.46/31,472.04
  6. Step 6: Final answer
    x = 12,148.12

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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.