Home / 10,760.90-16,142.27-2,969.70

Finding the Fourth Proportional to 10,760.90, 16,142.27 and 2,969.70

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Solution

The fourth proportional to 10,760.90, 16,142.27 and 2,969.70 is: 4,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,760.90 : 16,142.27 = 2,969.70 : x
  2. Step 2: Convert to fraction form
    10,760.90/16,142.27 = 2,969.70/x
  3. Step 3: Cross multiply
    10,760.90x = 16,142.27 × 2,969.70
  4. Step 4: Simplify right side
    10,760.90x = 47,937,684.37
  5. Step 5: Solve for x
    x = 47,937,684.37/10,760.90
  6. Step 6: Final answer
    x = 4,454.80

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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.