Home / 10,717.80-16,070.92-3,319.08

Finding the Fourth Proportional to 10,717.80, 16,070.92 and 3,319.08

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Solution

The fourth proportional to 10,717.80, 16,070.92 and 3,319.08 is: 4,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.80 : 16,070.92 = 3,319.08 : x
  2. Step 2: Convert to fraction form
    10,717.80/16,070.92 = 3,319.08/x
  3. Step 3: Cross multiply
    10,717.80x = 16,070.92 × 3,319.08
  4. Step 4: Simplify right side
    10,717.80x = 53,340,669.15
  5. Step 5: Solve for x
    x = 53,340,669.15/10,717.80
  6. Step 6: Final answer
    x = 4,976.83

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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.