Home / 8,626.80-12,943.38-3,700.28

Finding the Fourth Proportional to 8,626.80, 12,943.38 and 3,700.28

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Solution

The fourth proportional to 8,626.80, 12,943.38 and 3,700.28 is: 5,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,626.80 : 12,943.38 = 3,700.28 : x
  2. Step 2: Convert to fraction form
    8,626.80/12,943.38 = 3,700.28/x
  3. Step 3: Cross multiply
    8,626.80x = 12,943.38 × 3,700.28
  4. Step 4: Simplify right side
    8,626.80x = 47,894,130.15
  5. Step 5: Solve for x
    x = 47,894,130.15/8,626.80
  6. Step 6: Final answer
    x = 5,551.78

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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.