Home / 11,145.26-15,348.04-10,432.95

Finding the Fourth Proportional to 11,145.26, 15,348.04 and 10,432.95

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Solution

The fourth proportional to 11,145.26, 15,348.04 and 10,432.95 is: 14,367.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.26 : 15,348.04 = 10,432.95 : x
  2. Step 2: Convert to fraction form
    11,145.26/15,348.04 = 10,432.95/x
  3. Step 3: Cross multiply
    11,145.26x = 15,348.04 × 10,432.95
  4. Step 4: Simplify right side
    11,145.26x = 160,125,333.92
  5. Step 5: Solve for x
    x = 160,125,333.92/11,145.26
  6. Step 6: Final answer
    x = 14,367.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.