Home / 9,515.88-14,275.18-2,942.57

Finding the Fourth Proportional to 9,515.88, 14,275.18 and 2,942.57

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Solution

The fourth proportional to 9,515.88, 14,275.18 and 2,942.57 is: 4,414.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.88 : 14,275.18 = 2,942.57 : x
  2. Step 2: Convert to fraction form
    9,515.88/14,275.18 = 2,942.57/x
  3. Step 3: Cross multiply
    9,515.88x = 14,275.18 × 2,942.57
  4. Step 4: Simplify right side
    9,515.88x = 42,005,701.70
  5. Step 5: Solve for x
    x = 42,005,701.70/9,515.88
  6. Step 6: Final answer
    x = 4,414.28

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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.