Home / 11,091.60-15,306.04-6,055.78

Finding the Fourth Proportional to 11,091.60, 15,306.04 and 6,055.78

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Solution

The fourth proportional to 11,091.60, 15,306.04 and 6,055.78 is: 8,356.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091.60 : 15,306.04 = 6,055.78 : x
  2. Step 2: Convert to fraction form
    11,091.60/15,306.04 = 6,055.78/x
  3. Step 3: Cross multiply
    11,091.60x = 15,306.04 × 6,055.78
  4. Step 4: Simplify right side
    11,091.60x = 92,690,010.91
  5. Step 5: Solve for x
    x = 92,690,010.91/11,091.60
  6. Step 6: Final answer
    x = 8,356.78

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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.