Home / 10,337.87-15,514.65-7,571.72

Finding the Fourth Proportional to 10,337.87, 15,514.65 and 7,571.72

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Solution

The fourth proportional to 10,337.87, 15,514.65 and 7,571.72 is: 11,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,337.87 : 15,514.65 = 7,571.72 : x
  2. Step 2: Convert to fraction form
    10,337.87/15,514.65 = 7,571.72/x
  3. Step 3: Cross multiply
    10,337.87x = 15,514.65 × 7,571.72
  4. Step 4: Simplify right side
    10,337.87x = 117,472,624.48
  5. Step 5: Solve for x
    x = 117,472,624.48/10,337.87
  6. Step 6: Final answer
    x = 11,363.33

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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.