Home / 7,577.28-11,366.49-2,312.76

Finding the Fourth Proportional to 7,577.28, 11,366.49 and 2,312.76

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Solution

The fourth proportional to 7,577.28, 11,366.49 and 2,312.76 is: 3,469.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.28 : 11,366.49 = 2,312.76 : x
  2. Step 2: Convert to fraction form
    7,577.28/11,366.49 = 2,312.76/x
  3. Step 3: Cross multiply
    7,577.28x = 11,366.49 × 2,312.76
  4. Step 4: Simplify right side
    7,577.28x = 26,287,963.41
  5. Step 5: Solve for x
    x = 26,287,963.41/7,577.28
  6. Step 6: Final answer
    x = 3,469.31

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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.