Home / 11,755.13-16,225.52-6,722.19

Finding the Fourth Proportional to 11,755.13, 16,225.52 and 6,722.19

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Solution

The fourth proportional to 11,755.13, 16,225.52 and 6,722.19 is: 9,278.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.13 : 16,225.52 = 6,722.19 : x
  2. Step 2: Convert to fraction form
    11,755.13/16,225.52 = 6,722.19/x
  3. Step 3: Cross multiply
    11,755.13x = 16,225.52 × 6,722.19
  4. Step 4: Simplify right side
    11,755.13x = 109,070,994.68
  5. Step 5: Solve for x
    x = 109,070,994.68/11,755.13
  6. Step 6: Final answer
    x = 9,278.59

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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.