Home / 10,963.80-16,437.60-4,718.70

Finding the Fourth Proportional to 10,963.80, 16,437.60 and 4,718.70

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Solution

The fourth proportional to 10,963.80, 16,437.60 and 4,718.70 is: 7,074.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.80 : 16,437.60 = 4,718.70 : x
  2. Step 2: Convert to fraction form
    10,963.80/16,437.60 = 4,718.70/x
  3. Step 3: Cross multiply
    10,963.80x = 16,437.60 × 4,718.70
  4. Step 4: Simplify right side
    10,963.80x = 77,564,103.12
  5. Step 5: Solve for x
    x = 77,564,103.12/10,963.80
  6. Step 6: Final answer
    x = 7,074.56

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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.