Home / 12,042.17-18,064.97-3,722.91

Finding the Fourth Proportional to 12,042.17, 18,064.97 and 3,722.91

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Solution

The fourth proportional to 12,042.17, 18,064.97 and 3,722.91 is: 5,584.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.17 : 18,064.97 = 3,722.91 : x
  2. Step 2: Convert to fraction form
    12,042.17/18,064.97 = 3,722.91/x
  3. Step 3: Cross multiply
    12,042.17x = 18,064.97 × 3,722.91
  4. Step 4: Simplify right side
    12,042.17x = 67,254,307.62
  5. Step 5: Solve for x
    x = 67,254,307.62/12,042.17
  6. Step 6: Final answer
    x = 5,584.90

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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.