Home / 8,864.21-13,191.66-8,568.92

Finding the Fourth Proportional to 8,864.21, 13,191.66 and 8,568.92

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Solution

The fourth proportional to 8,864.21, 13,191.66 and 8,568.92 is: 12,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.21 : 13,191.66 = 8,568.92 : x
  2. Step 2: Convert to fraction form
    8,864.21/13,191.66 = 8,568.92/x
  3. Step 3: Cross multiply
    8,864.21x = 13,191.66 × 8,568.92
  4. Step 4: Simplify right side
    8,864.21x = 113,038,213.25
  5. Step 5: Solve for x
    x = 113,038,213.25/8,864.21
  6. Step 6: Final answer
    x = 12,752.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.