Home / 10,761.24-16,141.90-4,913.76

Finding the Fourth Proportional to 10,761.24, 16,141.90 and 4,913.76

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Solution

The fourth proportional to 10,761.24, 16,141.90 and 4,913.76 is: 7,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.24 : 16,141.90 = 4,913.76 : x
  2. Step 2: Convert to fraction form
    10,761.24/16,141.90 = 4,913.76/x
  3. Step 3: Cross multiply
    10,761.24x = 16,141.90 × 4,913.76
  4. Step 4: Simplify right side
    10,761.24x = 79,317,422.54
  5. Step 5: Solve for x
    x = 79,317,422.54/10,761.24
  6. Step 6: Final answer
    x = 7,370.66

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1.5x scale

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.