Home / 7,108.61-10,672.02-4,476.92

Finding the Fourth Proportional to 7,108.61, 10,672.02 and 4,476.92

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Solution

The fourth proportional to 7,108.61, 10,672.02 and 4,476.92 is: 6,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.61 : 10,672.02 = 4,476.92 : x
  2. Step 2: Convert to fraction form
    7,108.61/10,672.02 = 4,476.92/x
  3. Step 3: Cross multiply
    7,108.61x = 10,672.02 × 4,476.92
  4. Step 4: Simplify right side
    7,108.61x = 47,777,726.42
  5. Step 5: Solve for x
    x = 47,777,726.42/7,108.61
  6. Step 6: Final answer
    x = 6,721.11

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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.