Home / 8,079.04-12,116.52-5,732.20

Finding the Fourth Proportional to 8,079.04, 12,116.52 and 5,732.20

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Solution

The fourth proportional to 8,079.04, 12,116.52 and 5,732.20 is: 8,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.04 : 12,116.52 = 5,732.20 : x
  2. Step 2: Convert to fraction form
    8,079.04/12,116.52 = 5,732.20/x
  3. Step 3: Cross multiply
    8,079.04x = 12,116.52 × 5,732.20
  4. Step 4: Simplify right side
    8,079.04x = 69,454,315.94
  5. Step 5: Solve for x
    x = 69,454,315.94/8,079.04
  6. Step 6: Final answer
    x = 8,596.85

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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.