Home / 12,434.11-17,158.56-7,125.23

Finding the Fourth Proportional to 12,434.11, 17,158.56 and 7,125.23

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Solution

The fourth proportional to 12,434.11, 17,158.56 and 7,125.23 is: 9,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.11 : 17,158.56 = 7,125.23 : x
  2. Step 2: Convert to fraction form
    12,434.11/17,158.56 = 7,125.23/x
  3. Step 3: Cross multiply
    12,434.11x = 17,158.56 × 7,125.23
  4. Step 4: Simplify right side
    12,434.11x = 122,258,686.47
  5. Step 5: Solve for x
    x = 122,258,686.47/12,434.11
  6. Step 6: Final answer
    x = 9,832.52

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Half scale
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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.