Home / 10,278.38-14,184.26-5,562.76

Finding the Fourth Proportional to 10,278.38, 14,184.26 and 5,562.76

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Solution

The fourth proportional to 10,278.38, 14,184.26 and 5,562.76 is: 7,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.38 : 14,184.26 = 5,562.76 : x
  2. Step 2: Convert to fraction form
    10,278.38/14,184.26 = 5,562.76/x
  3. Step 3: Cross multiply
    10,278.38x = 14,184.26 × 5,562.76
  4. Step 4: Simplify right side
    10,278.38x = 78,903,612.60
  5. Step 5: Solve for x
    x = 78,903,612.60/10,278.38
  6. Step 6: Final answer
    x = 7,676.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.