Home / 11,249.06-15,524.40-6,470.51

Finding the Fourth Proportional to 11,249.06, 15,524.40 and 6,470.51

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Solution

The fourth proportional to 11,249.06, 15,524.40 and 6,470.51 is: 8,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,249.06 : 15,524.40 = 6,470.51 : x
  2. Step 2: Convert to fraction form
    11,249.06/15,524.40 = 6,470.51/x
  3. Step 3: Cross multiply
    11,249.06x = 15,524.40 × 6,470.51
  4. Step 4: Simplify right side
    11,249.06x = 100,450,785.44
  5. Step 5: Solve for x
    x = 100,450,785.44/11,249.06
  6. Step 6: Final answer
    x = 8,929.70

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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.