Home / 11,116.78-15,346.73-8,593.18

Finding the Fourth Proportional to 11,116.78, 15,346.73 and 8,593.18

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Solution

The fourth proportional to 11,116.78, 15,346.73 and 8,593.18 is: 11,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.78 : 15,346.73 = 8,593.18 : x
  2. Step 2: Convert to fraction form
    11,116.78/15,346.73 = 8,593.18/x
  3. Step 3: Cross multiply
    11,116.78x = 15,346.73 × 8,593.18
  4. Step 4: Simplify right side
    11,116.78x = 131,877,213.30
  5. Step 5: Solve for x
    x = 131,877,213.30/11,116.78
  6. Step 6: Final answer
    x = 11,862.90

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Double scale
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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.