Home / 9,996.43-13,795.19-5,520.18

Finding the Fourth Proportional to 9,996.43, 13,795.19 and 5,520.18

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Solution

The fourth proportional to 9,996.43, 13,795.19 and 5,520.18 is: 7,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.43 : 13,795.19 = 5,520.18 : x
  2. Step 2: Convert to fraction form
    9,996.43/13,795.19 = 5,520.18/x
  3. Step 3: Cross multiply
    9,996.43x = 13,795.19 × 5,520.18
  4. Step 4: Simplify right side
    9,996.43x = 76,151,931.93
  5. Step 5: Solve for x
    x = 76,151,931.93/9,996.43
  6. Step 6: Final answer
    x = 7,617.91

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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.