Home / 12,034.42-18,044.69-3,712.20

Finding the Fourth Proportional to 12,034.42, 18,044.69 and 3,712.20

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Solution

The fourth proportional to 12,034.42, 18,044.69 and 3,712.20 is: 5,566.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.42 : 18,044.69 = 3,712.20 : x
  2. Step 2: Convert to fraction form
    12,034.42/18,044.69 = 3,712.20/x
  3. Step 3: Cross multiply
    12,034.42x = 18,044.69 × 3,712.20
  4. Step 4: Simplify right side
    12,034.42x = 66,985,569.46
  5. Step 5: Solve for x
    x = 66,985,569.46/12,034.42
  6. Step 6: Final answer
    x = 5,566.16

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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.