Home / 11,036.25-15,229.98-6,320.43

Finding the Fourth Proportional to 11,036.25, 15,229.98 and 6,320.43

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Solution

The fourth proportional to 11,036.25, 15,229.98 and 6,320.43 is: 8,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.25 : 15,229.98 = 6,320.43 : x
  2. Step 2: Convert to fraction form
    11,036.25/15,229.98 = 6,320.43/x
  3. Step 3: Cross multiply
    11,036.25x = 15,229.98 × 6,320.43
  4. Step 4: Simplify right side
    11,036.25x = 96,260,022.49
  5. Step 5: Solve for x
    x = 96,260,022.49/11,036.25
  6. Step 6: Final answer
    x = 8,722.17

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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.