Home / 8,528.46-12,793.32-2,981.10

Finding the Fourth Proportional to 8,528.46, 12,793.32 and 2,981.10

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Solution

The fourth proportional to 8,528.46, 12,793.32 and 2,981.10 is: 4,471.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.46 : 12,793.32 = 2,981.10 : x
  2. Step 2: Convert to fraction form
    8,528.46/12,793.32 = 2,981.10/x
  3. Step 3: Cross multiply
    8,528.46x = 12,793.32 × 2,981.10
  4. Step 4: Simplify right side
    8,528.46x = 38,138,166.25
  5. Step 5: Solve for x
    x = 38,138,166.25/8,528.46
  6. Step 6: Final answer
    x = 4,471.87

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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.