Home / 9,515.71-14,276.40-2,942.38

Finding the Fourth Proportional to 9,515.71, 14,276.40 and 2,942.38

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Solution

The fourth proportional to 9,515.71, 14,276.40 and 2,942.38 is: 4,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.71 : 14,276.40 = 2,942.38 : x
  2. Step 2: Convert to fraction form
    9,515.71/14,276.40 = 2,942.38/x
  3. Step 3: Cross multiply
    9,515.71x = 14,276.40 × 2,942.38
  4. Step 4: Simplify right side
    9,515.71x = 42,006,593.83
  5. Step 5: Solve for x
    x = 42,006,593.83/9,515.71
  6. Step 6: Final answer
    x = 4,414.45

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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.