Home / 8,864.90-12,233.60-5,328.17

Finding the Fourth Proportional to 8,864.90, 12,233.60 and 5,328.17

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Solution

The fourth proportional to 8,864.90, 12,233.60 and 5,328.17 is: 7,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.90 : 12,233.60 = 5,328.17 : x
  2. Step 2: Convert to fraction form
    8,864.90/12,233.60 = 5,328.17/x
  3. Step 3: Cross multiply
    8,864.90x = 12,233.60 × 5,328.17
  4. Step 4: Simplify right side
    8,864.90x = 65,182,673.87
  5. Step 5: Solve for x
    x = 65,182,673.87/8,864.90
  6. Step 6: Final answer
    x = 7,352.89

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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.