Home / 12,372.05-17,073.45-6,706.83

Finding the Fourth Proportional to 12,372.05, 17,073.45 and 6,706.83

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Solution

The fourth proportional to 12,372.05, 17,073.45 and 6,706.83 is: 9,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.05 : 17,073.45 = 6,706.83 : x
  2. Step 2: Convert to fraction form
    12,372.05/17,073.45 = 6,706.83/x
  3. Step 3: Cross multiply
    12,372.05x = 17,073.45 × 6,706.83
  4. Step 4: Simplify right side
    12,372.05x = 114,508,693.13
  5. Step 5: Solve for x
    x = 114,508,693.13/12,372.05
  6. Step 6: Final answer
    x = 9,255.43

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Double scale
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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.