Home / 10,031.82-15,045.30-4,188.48

Finding the Fourth Proportional to 10,031.82, 15,045.30 and 4,188.48

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Solution

The fourth proportional to 10,031.82, 15,045.30 and 4,188.48 is: 6,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.82 : 15,045.30 = 4,188.48 : x
  2. Step 2: Convert to fraction form
    10,031.82/15,045.30 = 4,188.48/x
  3. Step 3: Cross multiply
    10,031.82x = 15,045.30 × 4,188.48
  4. Step 4: Simplify right side
    10,031.82x = 63,016,938.14
  5. Step 5: Solve for x
    x = 63,016,938.14/10,031.82
  6. Step 6: Final answer
    x = 6,281.71

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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.