Home / 31,472.03-47,197.04-9,279.51

Finding the Fourth Proportional to 31,472.03, 47,197.04 and 9,279.51

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Solution

The fourth proportional to 31,472.03, 47,197.04 and 9,279.51 is: 13,916.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,472.03 : 47,197.04 = 9,279.51 : x
  2. Step 2: Convert to fraction form
    31,472.03/47,197.04 = 9,279.51/x
  3. Step 3: Cross multiply
    31,472.03x = 47,197.04 × 9,279.51
  4. Step 4: Simplify right side
    31,472.03x = 437,965,358.25
  5. Step 5: Solve for x
    x = 437,965,358.25/31,472.03
  6. Step 6: Final answer
    x = 13,916.02

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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.