Home / 11,117.92-15,343.13-6,081.84

Finding the Fourth Proportional to 11,117.92, 15,343.13 and 6,081.84

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Solution

The fourth proportional to 11,117.92, 15,343.13 and 6,081.84 is: 8,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.92 : 15,343.13 = 6,081.84 : x
  2. Step 2: Convert to fraction form
    11,117.92/15,343.13 = 6,081.84/x
  3. Step 3: Cross multiply
    11,117.92x = 15,343.13 × 6,081.84
  4. Step 4: Simplify right side
    11,117.92x = 93,314,431.35
  5. Step 5: Solve for x
    x = 93,314,431.35/11,117.92
  6. Step 6: Final answer
    x = 8,393.16

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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.