Home / 9,191.92-12,684.84-5,000.14

Finding the Fourth Proportional to 9,191.92, 12,684.84 and 5,000.14

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Solution

The fourth proportional to 9,191.92, 12,684.84 and 5,000.14 is: 6,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.92 : 12,684.84 = 5,000.14 : x
  2. Step 2: Convert to fraction form
    9,191.92/12,684.84 = 5,000.14/x
  3. Step 3: Cross multiply
    9,191.92x = 12,684.84 × 5,000.14
  4. Step 4: Simplify right side
    9,191.92x = 63,425,975.88
  5. Step 5: Solve for x
    x = 63,425,975.88/9,191.92
  6. Step 6: Final answer
    x = 6,900.19

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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.