Home / 7,487.52-11,226.22-2,981.58

Finding the Fourth Proportional to 7,487.52, 11,226.22 and 2,981.58

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Solution

The fourth proportional to 7,487.52, 11,226.22 and 2,981.58 is: 4,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.52 : 11,226.22 = 2,981.58 : x
  2. Step 2: Convert to fraction form
    7,487.52/11,226.22 = 2,981.58/x
  3. Step 3: Cross multiply
    7,487.52x = 11,226.22 × 2,981.58
  4. Step 4: Simplify right side
    7,487.52x = 33,471,873.03
  5. Step 5: Solve for x
    x = 33,471,873.03/7,487.52
  6. Step 6: Final answer
    x = 4,470.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.