Home / 10,377.81-15,566.77-2,586.62

Finding the Fourth Proportional to 10,377.81, 15,566.77 and 2,586.62

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Solution

The fourth proportional to 10,377.81, 15,566.77 and 2,586.62 is: 3,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377.81 : 15,566.77 = 2,586.62 : x
  2. Step 2: Convert to fraction form
    10,377.81/15,566.77 = 2,586.62/x
  3. Step 3: Cross multiply
    10,377.81x = 15,566.77 × 2,586.62
  4. Step 4: Simplify right side
    10,377.81x = 40,265,335.24
  5. Step 5: Solve for x
    x = 40,265,335.24/10,377.81
  6. Step 6: Final answer
    x = 3,879.95

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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.