Home / 9,126.15-12,593.64-5,147.25

Finding the Fourth Proportional to 9,126.15, 12,593.64 and 5,147.25

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Solution

The fourth proportional to 9,126.15, 12,593.64 and 5,147.25 is: 7,102.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.15 : 12,593.64 = 5,147.25 : x
  2. Step 2: Convert to fraction form
    9,126.15/12,593.64 = 5,147.25/x
  3. Step 3: Cross multiply
    9,126.15x = 12,593.64 × 5,147.25
  4. Step 4: Simplify right side
    9,126.15x = 64,822,613.49
  5. Step 5: Solve for x
    x = 64,822,613.49/9,126.15
  6. Step 6: Final answer
    x = 7,102.95

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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.