Home / 8,724.52-12,036.54-5,575.24

Finding the Fourth Proportional to 8,724.52, 12,036.54 and 5,575.24

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Solution

The fourth proportional to 8,724.52, 12,036.54 and 5,575.24 is: 7,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.52 : 12,036.54 = 5,575.24 : x
  2. Step 2: Convert to fraction form
    8,724.52/12,036.54 = 5,575.24/x
  3. Step 3: Cross multiply
    8,724.52x = 12,036.54 × 5,575.24
  4. Step 4: Simplify right side
    8,724.52x = 67,106,599.27
  5. Step 5: Solve for x
    x = 67,106,599.27/8,724.52
  6. Step 6: Final answer
    x = 7,691.72

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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.