Home / 8,664.24-12,971.04-6,452.88

Finding the Fourth Proportional to 8,664.24, 12,971.04 and 6,452.88

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Solution

The fourth proportional to 8,664.24, 12,971.04 and 6,452.88 is: 9,660.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.24 : 12,971.04 = 6,452.88 : x
  2. Step 2: Convert to fraction form
    8,664.24/12,971.04 = 6,452.88/x
  3. Step 3: Cross multiply
    8,664.24x = 12,971.04 × 6,452.88
  4. Step 4: Simplify right side
    8,664.24x = 83,700,564.60
  5. Step 5: Solve for x
    x = 83,700,564.60/8,664.24
  6. Step 6: Final answer
    x = 9,660.46

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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.