Home / 13,264.33-18,306.54-8,562.28

Finding the Fourth Proportional to 13,264.33, 18,306.54 and 8,562.28

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Solution

The fourth proportional to 13,264.33, 18,306.54 and 8,562.28 is: 11,817.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.33 : 18,306.54 = 8,562.28 : x
  2. Step 2: Convert to fraction form
    13,264.33/18,306.54 = 8,562.28/x
  3. Step 3: Cross multiply
    13,264.33x = 18,306.54 × 8,562.28
  4. Step 4: Simplify right side
    13,264.33x = 156,745,721.31
  5. Step 5: Solve for x
    x = 156,745,721.31/13,264.33
  6. Step 6: Final answer
    x = 11,817.09

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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.