Home / 10,760.48-16,140.76-2,969.92

Finding the Fourth Proportional to 10,760.48, 16,140.76 and 2,969.92

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Solution

The fourth proportional to 10,760.48, 16,140.76 and 2,969.92 is: 4,454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,760.48 : 16,140.76 = 2,969.92 : x
  2. Step 2: Convert to fraction form
    10,760.48/16,140.76 = 2,969.92/x
  3. Step 3: Cross multiply
    10,760.48x = 16,140.76 × 2,969.92
  4. Step 4: Simplify right side
    10,760.48x = 47,936,765.94
  5. Step 5: Solve for x
    x = 47,936,765.94/10,760.48
  6. Step 6: Final answer
    x = 4,454.89

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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.