Home / 8,867.43-12,237.62-5,091.80

Finding the Fourth Proportional to 8,867.43, 12,237.62 and 5,091.80

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Solution

The fourth proportional to 8,867.43, 12,237.62 and 5,091.80 is: 7,027.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.43 : 12,237.62 = 5,091.80 : x
  2. Step 2: Convert to fraction form
    8,867.43/12,237.62 = 5,091.80/x
  3. Step 3: Cross multiply
    8,867.43x = 12,237.62 × 5,091.80
  4. Step 4: Simplify right side
    8,867.43x = 62,311,426.87
  5. Step 5: Solve for x
    x = 62,311,426.87/8,867.43
  6. Step 6: Final answer
    x = 7,027.00

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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.