Home / 10,504.41-15,756.57-3,108.90

Finding the Fourth Proportional to 10,504.41, 15,756.57 and 3,108.90

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Solution

The fourth proportional to 10,504.41, 15,756.57 and 3,108.90 is: 4,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504.41 : 15,756.57 = 3,108.90 : x
  2. Step 2: Convert to fraction form
    10,504.41/15,756.57 = 3,108.90/x
  3. Step 3: Cross multiply
    10,504.41x = 15,756.57 × 3,108.90
  4. Step 4: Simplify right side
    10,504.41x = 48,985,600.47
  5. Step 5: Solve for x
    x = 48,985,600.47/10,504.41
  6. Step 6: Final answer
    x = 4,663.34

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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.