Home / 10,917.30-16,366.20-4,339.02

Finding the Fourth Proportional to 10,917.30, 16,366.20 and 4,339.02

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Solution

The fourth proportional to 10,917.30, 16,366.20 and 4,339.02 is: 6,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.30 : 16,366.20 = 4,339.02 : x
  2. Step 2: Convert to fraction form
    10,917.30/16,366.20 = 4,339.02/x
  3. Step 3: Cross multiply
    10,917.30x = 16,366.20 × 4,339.02
  4. Step 4: Simplify right side
    10,917.30x = 71,013,269.12
  5. Step 5: Solve for x
    x = 71,013,269.12/10,917.30
  6. Step 6: Final answer
    x = 6,504.65

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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.