Home / 10,766.64-16,149.69-2,869.17

Finding the Fourth Proportional to 10,766.64, 16,149.69 and 2,869.17

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Solution

The fourth proportional to 10,766.64, 16,149.69 and 2,869.17 is: 4,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,766.64 : 16,149.69 = 2,869.17 : x
  2. Step 2: Convert to fraction form
    10,766.64/16,149.69 = 2,869.17/x
  3. Step 3: Cross multiply
    10,766.64x = 16,149.69 × 2,869.17
  4. Step 4: Simplify right side
    10,766.64x = 46,336,206.06
  5. Step 5: Solve for x
    x = 46,336,206.06/10,766.64
  6. Step 6: Final answer
    x = 4,303.68

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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.