Home / 11,118.24-15,342.56-6,081.56

Finding the Fourth Proportional to 11,118.24, 15,342.56 and 6,081.56

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Solution

The fourth proportional to 11,118.24, 15,342.56 and 6,081.56 is: 8,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.24 : 15,342.56 = 6,081.56 : x
  2. Step 2: Convert to fraction form
    11,118.24/15,342.56 = 6,081.56/x
  3. Step 3: Cross multiply
    11,118.24x = 15,342.56 × 6,081.56
  4. Step 4: Simplify right side
    11,118.24x = 93,306,699.19
  5. Step 5: Solve for x
    x = 93,306,699.19/11,118.24
  6. Step 6: Final answer
    x = 8,392.22

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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.