Home / 8,122.74-12,184.17-2,576.10

Finding the Fourth Proportional to 8,122.74, 12,184.17 and 2,576.10

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Solution

The fourth proportional to 8,122.74, 12,184.17 and 2,576.10 is: 3,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122.74 : 12,184.17 = 2,576.10 : x
  2. Step 2: Convert to fraction form
    8,122.74/12,184.17 = 2,576.10/x
  3. Step 3: Cross multiply
    8,122.74x = 12,184.17 × 2,576.10
  4. Step 4: Simplify right side
    8,122.74x = 31,387,640.34
  5. Step 5: Solve for x
    x = 31,387,640.34/8,122.74
  6. Step 6: Final answer
    x = 3,864.17

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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.