Home / 8,517.52-11,753.88-4,740.56

Finding the Fourth Proportional to 8,517.52, 11,753.88 and 4,740.56

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Solution

The fourth proportional to 8,517.52, 11,753.88 and 4,740.56 is: 6,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.52 : 11,753.88 = 4,740.56 : x
  2. Step 2: Convert to fraction form
    8,517.52/11,753.88 = 4,740.56/x
  3. Step 3: Cross multiply
    8,517.52x = 11,753.88 × 4,740.56
  4. Step 4: Simplify right side
    8,517.52x = 55,719,973.37
  5. Step 5: Solve for x
    x = 55,719,973.37/8,517.52
  6. Step 6: Final answer
    x = 6,541.81

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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.