Home / 10,377.91-15,566.87-2,586.72

Finding the Fourth Proportional to 10,377.91, 15,566.87 and 2,586.72

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Solution

The fourth proportional to 10,377.91, 15,566.87 and 2,586.72 is: 3,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.91 : 15,566.87 = 2,586.72 : x
  2. Step 2: Convert to fraction form
    10,377.91/15,566.87 = 2,586.72/x
  3. Step 3: Cross multiply
    10,377.91x = 15,566.87 × 2,586.72
  4. Step 4: Simplify right side
    10,377.91x = 40,267,133.97
  5. Step 5: Solve for x
    x = 40,267,133.97/10,377.91
  6. Step 6: Final answer
    x = 3,880.08

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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.