Home / 9,524.12-13,140.23-5,543.78

Finding the Fourth Proportional to 9,524.12, 13,140.23 and 5,543.78

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Solution

The fourth proportional to 9,524.12, 13,140.23 and 5,543.78 is: 7,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,524.12 : 13,140.23 = 5,543.78 : x
  2. Step 2: Convert to fraction form
    9,524.12/13,140.23 = 5,543.78/x
  3. Step 3: Cross multiply
    9,524.12x = 13,140.23 × 5,543.78
  4. Step 4: Simplify right side
    9,524.12x = 72,846,450.85
  5. Step 5: Solve for x
    x = 72,846,450.85/9,524.12
  6. Step 6: Final answer
    x = 7,648.63

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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.