Home / 11,593.20-15,998.40-6,877.56

Finding the Fourth Proportional to 11,593.20, 15,998.40 and 6,877.56

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Solution

The fourth proportional to 11,593.20, 15,998.40 and 6,877.56 is: 9,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,593.20 : 15,998.40 = 6,877.56 : x
  2. Step 2: Convert to fraction form
    11,593.20/15,998.40 = 6,877.56/x
  3. Step 3: Cross multiply
    11,593.20x = 15,998.40 × 6,877.56
  4. Step 4: Simplify right side
    11,593.20x = 110,029,955.90
  5. Step 5: Solve for x
    x = 110,029,955.90/11,593.20
  6. Step 6: Final answer
    x = 9,490.90

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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.