Home / 10,712.79-14,785.20-5,997.38

Finding the Fourth Proportional to 10,712.79, 14,785.20 and 5,997.38

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Solution

The fourth proportional to 10,712.79, 14,785.20 and 5,997.38 is: 8,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.79 : 14,785.20 = 5,997.38 : x
  2. Step 2: Convert to fraction form
    10,712.79/14,785.20 = 5,997.38/x
  3. Step 3: Cross multiply
    10,712.79x = 14,785.20 × 5,997.38
  4. Step 4: Simplify right side
    10,712.79x = 88,672,388.85
  5. Step 5: Solve for x
    x = 88,672,388.85/10,712.79
  6. Step 6: Final answer
    x = 8,277.25

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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.