Home / 9,099.57-12,549.66-5,513.70

Finding the Fourth Proportional to 9,099.57, 12,549.66 and 5,513.70

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Solution

The fourth proportional to 9,099.57, 12,549.66 and 5,513.70 is: 7,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,099.57 : 12,549.66 = 5,513.70 : x
  2. Step 2: Convert to fraction form
    9,099.57/12,549.66 = 5,513.70/x
  3. Step 3: Cross multiply
    9,099.57x = 12,549.66 × 5,513.70
  4. Step 4: Simplify right side
    9,099.57x = 69,194,996.35
  5. Step 5: Solve for x
    x = 69,194,996.35/9,099.57
  6. Step 6: Final answer
    x = 7,604.21

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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.