Home / 12,332.12-17,021.49-7,613.69

Finding the Fourth Proportional to 12,332.12, 17,021.49 and 7,613.69

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Solution

The fourth proportional to 12,332.12, 17,021.49 and 7,613.69 is: 10,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,332.12 : 17,021.49 = 7,613.69 : x
  2. Step 2: Convert to fraction form
    12,332.12/17,021.49 = 7,613.69/x
  3. Step 3: Cross multiply
    12,332.12x = 17,021.49 × 7,613.69
  4. Step 4: Simplify right side
    12,332.12x = 129,596,348.20
  5. Step 5: Solve for x
    x = 129,596,348.20/12,332.12
  6. Step 6: Final answer
    x = 10,508.85

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.