Home / 10,508.66-15,764.61-3,114.26

Finding the Fourth Proportional to 10,508.66, 15,764.61 and 3,114.26

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Solution

The fourth proportional to 10,508.66, 15,764.61 and 3,114.26 is: 4,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.66 : 15,764.61 = 3,114.26 : x
  2. Step 2: Convert to fraction form
    10,508.66/15,764.61 = 3,114.26/x
  3. Step 3: Cross multiply
    10,508.66x = 15,764.61 × 3,114.26
  4. Step 4: Simplify right side
    10,508.66x = 49,095,094.34
  5. Step 5: Solve for x
    x = 49,095,094.34/10,508.66
  6. Step 6: Final answer
    x = 4,671.87

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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.