Home / 10,376.92-15,573.71-5,449.48

Finding the Fourth Proportional to 10,376.92, 15,573.71 and 5,449.48

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Solution

The fourth proportional to 10,376.92, 15,573.71 and 5,449.48 is: 8,178.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,376.92 : 15,573.71 = 5,449.48 : x
  2. Step 2: Convert to fraction form
    10,376.92/15,573.71 = 5,449.48/x
  3. Step 3: Cross multiply
    10,376.92x = 15,573.71 × 5,449.48
  4. Step 4: Simplify right side
    10,376.92x = 84,868,621.17
  5. Step 5: Solve for x
    x = 84,868,621.17/10,376.92
  6. Step 6: Final answer
    x = 8,178.59

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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.