Home / 12,932.03-17,848.11-7,899.14

Finding the Fourth Proportional to 12,932.03, 17,848.11 and 7,899.14

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Solution

The fourth proportional to 12,932.03, 17,848.11 and 7,899.14 is: 10,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.03 : 17,848.11 = 7,899.14 : x
  2. Step 2: Convert to fraction form
    12,932.03/17,848.11 = 7,899.14/x
  3. Step 3: Cross multiply
    12,932.03x = 17,848.11 × 7,899.14
  4. Step 4: Simplify right side
    12,932.03x = 140,984,630.38
  5. Step 5: Solve for x
    x = 140,984,630.38/12,932.03
  6. Step 6: Final answer
    x = 10,901.98

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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.