Home / 8,867.80-12,237.24-5,331.36

Finding the Fourth Proportional to 8,867.80, 12,237.24 and 5,331.36

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Solution

The fourth proportional to 8,867.80, 12,237.24 and 5,331.36 is: 7,357.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.80 : 12,237.24 = 5,331.36 : x
  2. Step 2: Convert to fraction form
    8,867.80/12,237.24 = 5,331.36/x
  3. Step 3: Cross multiply
    8,867.80x = 12,237.24 × 5,331.36
  4. Step 4: Simplify right side
    8,867.80x = 65,241,131.85
  5. Step 5: Solve for x
    x = 65,241,131.85/8,867.80
  6. Step 6: Final answer
    x = 7,357.08

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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.