Home / 8,863.86-12,232.26-5,087.64

Finding the Fourth Proportional to 8,863.86, 12,232.26 and 5,087.64

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Solution

The fourth proportional to 8,863.86, 12,232.26 and 5,087.64 is: 7,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.86 : 12,232.26 = 5,087.64 : x
  2. Step 2: Convert to fraction form
    8,863.86/12,232.26 = 5,087.64/x
  3. Step 3: Cross multiply
    8,863.86x = 12,232.26 × 5,087.64
  4. Step 4: Simplify right side
    8,863.86x = 62,233,335.27
  5. Step 5: Solve for x
    x = 62,233,335.27/8,863.86
  6. Step 6: Final answer
    x = 7,021.02

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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.