Home / 10,717.34-16,079.31-4,799.21

Finding the Fourth Proportional to 10,717.34, 16,079.31 and 4,799.21

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Solution

The fourth proportional to 10,717.34, 16,079.31 and 4,799.21 is: 7,200.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.34 : 16,079.31 = 4,799.21 : x
  2. Step 2: Convert to fraction form
    10,717.34/16,079.31 = 4,799.21/x
  3. Step 3: Cross multiply
    10,717.34x = 16,079.31 × 4,799.21
  4. Step 4: Simplify right side
    10,717.34x = 77,167,904.95
  5. Step 5: Solve for x
    x = 77,167,904.95/10,717.34
  6. Step 6: Final answer
    x = 7,200.29

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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.