Home / 8,567.28-12,864.87-5,301.18

Finding the Fourth Proportional to 8,567.28, 12,864.87 and 5,301.18

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Solution

The fourth proportional to 8,567.28, 12,864.87 and 5,301.18 is: 7,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.28 : 12,864.87 = 5,301.18 : x
  2. Step 2: Convert to fraction form
    8,567.28/12,864.87 = 5,301.18/x
  3. Step 3: Cross multiply
    8,567.28x = 12,864.87 × 5,301.18
  4. Step 4: Simplify right side
    8,567.28x = 68,198,991.55
  5. Step 5: Solve for x
    x = 68,198,991.55/8,567.28
  6. Step 6: Final answer
    x = 7,960.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.