Home / 6,243.48-8,611.72-4,253.24

Finding the Fourth Proportional to 6,243.48, 8,611.72 and 4,253.24

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Solution

The fourth proportional to 6,243.48, 8,611.72 and 4,253.24 is: 5,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.48 : 8,611.72 = 4,253.24 : x
  2. Step 2: Convert to fraction form
    6,243.48/8,611.72 = 4,253.24/x
  3. Step 3: Cross multiply
    6,243.48x = 8,611.72 × 4,253.24
  4. Step 4: Simplify right side
    6,243.48x = 36,627,711.97
  5. Step 5: Solve for x
    x = 36,627,711.97/6,243.48
  6. Step 6: Final answer
    x = 5,866.55

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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.