Home / 13,116.15-18,093.33-8,081.46

Finding the Fourth Proportional to 13,116.15, 18,093.33 and 8,081.46

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Solution

The fourth proportional to 13,116.15, 18,093.33 and 8,081.46 is: 11,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.15 : 18,093.33 = 8,081.46 : x
  2. Step 2: Convert to fraction form
    13,116.15/18,093.33 = 8,081.46/x
  3. Step 3: Cross multiply
    13,116.15x = 18,093.33 × 8,081.46
  4. Step 4: Simplify right side
    13,116.15x = 146,220,522.66
  5. Step 5: Solve for x
    x = 146,220,522.66/13,116.15
  6. Step 6: Final answer
    x = 11,148.13

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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.