Home / 10,708.61-16,062.92-2,918.57

Finding the Fourth Proportional to 10,708.61, 16,062.92 and 2,918.57

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Solution

The fourth proportional to 10,708.61, 16,062.92 and 2,918.57 is: 4,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.61 : 16,062.92 = 2,918.57 : x
  2. Step 2: Convert to fraction form
    10,708.61/16,062.92 = 2,918.57/x
  3. Step 3: Cross multiply
    10,708.61x = 16,062.92 × 2,918.57
  4. Step 4: Simplify right side
    10,708.61x = 46,880,741.83
  5. Step 5: Solve for x
    x = 46,880,741.83/10,708.61
  6. Step 6: Final answer
    x = 4,377.86

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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.