Home / 8,869.26-12,232.44-5,331.72

Finding the Fourth Proportional to 8,869.26, 12,232.44 and 5,331.72

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Solution

The fourth proportional to 8,869.26, 12,232.44 and 5,331.72 is: 7,353.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.26 : 12,232.44 = 5,331.72 : x
  2. Step 2: Convert to fraction form
    8,869.26/12,232.44 = 5,331.72/x
  3. Step 3: Cross multiply
    8,869.26x = 12,232.44 × 5,331.72
  4. Step 4: Simplify right side
    8,869.26x = 65,219,945.00
  5. Step 5: Solve for x
    x = 65,219,945.00/8,869.26
  6. Step 6: Final answer
    x = 7,353.48

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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.