Home / 10,311.28-14,229.15-5,595.46

Finding the Fourth Proportional to 10,311.28, 14,229.15 and 5,595.46

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Solution

The fourth proportional to 10,311.28, 14,229.15 and 5,595.46 is: 7,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.28 : 14,229.15 = 5,595.46 : x
  2. Step 2: Convert to fraction form
    10,311.28/14,229.15 = 5,595.46/x
  3. Step 3: Cross multiply
    10,311.28x = 14,229.15 × 5,595.46
  4. Step 4: Simplify right side
    10,311.28x = 79,618,639.66
  5. Step 5: Solve for x
    x = 79,618,639.66/10,311.28
  6. Step 6: Final answer
    x = 7,721.51

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1.5x scale

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.