Home / 11,118.65-15,343.14-6,081.89

Finding the Fourth Proportional to 11,118.65, 15,343.14 and 6,081.89

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Solution

The fourth proportional to 11,118.65, 15,343.14 and 6,081.89 is: 8,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.65 : 15,343.14 = 6,081.89 : x
  2. Step 2: Convert to fraction form
    11,118.65/15,343.14 = 6,081.89/x
  3. Step 3: Cross multiply
    11,118.65x = 15,343.14 × 6,081.89
  4. Step 4: Simplify right side
    11,118.65x = 93,315,213.02
  5. Step 5: Solve for x
    x = 93,315,213.02/11,118.65
  6. Step 6: Final answer
    x = 8,392.68

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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.