Home / 10,272.36-15,408.96-4,031.82

Finding the Fourth Proportional to 10,272.36, 15,408.96 and 4,031.82

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Solution

The fourth proportional to 10,272.36, 15,408.96 and 4,031.82 is: 6,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.36 : 15,408.96 = 4,031.82 : x
  2. Step 2: Convert to fraction form
    10,272.36/15,408.96 = 4,031.82/x
  3. Step 3: Cross multiply
    10,272.36x = 15,408.96 × 4,031.82
  4. Step 4: Simplify right side
    10,272.36x = 62,126,153.11
  5. Step 5: Solve for x
    x = 62,126,153.11/10,272.36
  6. Step 6: Final answer
    x = 6,047.89

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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.