Home / 9,543.45-13,169.22-5,350.89

Finding the Fourth Proportional to 9,543.45, 13,169.22 and 5,350.89

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Solution

The fourth proportional to 9,543.45, 13,169.22 and 5,350.89 is: 7,383.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.45 : 13,169.22 = 5,350.89 : x
  2. Step 2: Convert to fraction form
    9,543.45/13,169.22 = 5,350.89/x
  3. Step 3: Cross multiply
    9,543.45x = 13,169.22 × 5,350.89
  4. Step 4: Simplify right side
    9,543.45x = 70,467,047.61
  5. Step 5: Solve for x
    x = 70,467,047.61/9,543.45
  6. Step 6: Final answer
    x = 7,383.81

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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.