Home / 10,711.50-16,073.90-5,165.41

Finding the Fourth Proportional to 10,711.50, 16,073.90 and 5,165.41

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Solution

The fourth proportional to 10,711.50, 16,073.90 and 5,165.41 is: 7,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,711.50 : 16,073.90 = 5,165.41 : x
  2. Step 2: Convert to fraction form
    10,711.50/16,073.90 = 5,165.41/x
  3. Step 3: Cross multiply
    10,711.50x = 16,073.90 × 5,165.41
  4. Step 4: Simplify right side
    10,711.50x = 83,028,283.80
  5. Step 5: Solve for x
    x = 83,028,283.80/10,711.50
  6. Step 6: Final answer
    x = 7,751.32

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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.