Home / 9,170.26-12,654.33-5,191.13

Finding the Fourth Proportional to 9,170.26, 12,654.33 and 5,191.13

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Solution

The fourth proportional to 9,170.26, 12,654.33 and 5,191.13 is: 7,163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.26 : 12,654.33 = 5,191.13 : x
  2. Step 2: Convert to fraction form
    9,170.26/12,654.33 = 5,191.13/x
  3. Step 3: Cross multiply
    9,170.26x = 12,654.33 × 5,191.13
  4. Step 4: Simplify right side
    9,170.26x = 65,690,246.14
  5. Step 5: Solve for x
    x = 65,690,246.14/9,170.26
  6. Step 6: Final answer
    x = 7,163.40

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Half scale
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Double scale
Find fourth proportional to 9,171.26, 12,655.70 and 5,192.13
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.