Home / 8,961.04-13,432.80-4,031.92

Finding the Fourth Proportional to 8,961.04, 13,432.80 and 4,031.92

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Solution

The fourth proportional to 8,961.04, 13,432.80 and 4,031.92 is: 6,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.04 : 13,432.80 = 4,031.92 : x
  2. Step 2: Convert to fraction form
    8,961.04/13,432.80 = 4,031.92/x
  3. Step 3: Cross multiply
    8,961.04x = 13,432.80 × 4,031.92
  4. Step 4: Simplify right side
    8,961.04x = 54,159,974.98
  5. Step 5: Solve for x
    x = 54,159,974.98/8,961.04
  6. Step 6: Final answer
    x = 6,043.94

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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.