Home / 7,388.29-10,195.65-4,031.11

Finding the Fourth Proportional to 7,388.29, 10,195.65 and 4,031.11

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Solution

The fourth proportional to 7,388.29, 10,195.65 and 4,031.11 is: 5,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.29 : 10,195.65 = 4,031.11 : x
  2. Step 2: Convert to fraction form
    7,388.29/10,195.65 = 4,031.11/x
  3. Step 3: Cross multiply
    7,388.29x = 10,195.65 × 4,031.11
  4. Step 4: Simplify right side
    7,388.29x = 41,099,726.95
  5. Step 5: Solve for x
    x = 41,099,726.95/7,388.29
  6. Step 6: Final answer
    x = 5,562.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.