Home / 11,117.67-15,342.80-6,081.59

Finding the Fourth Proportional to 11,117.67, 15,342.80 and 6,081.59

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Solution

The fourth proportional to 11,117.67, 15,342.80 and 6,081.59 is: 8,392.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.67 : 15,342.80 = 6,081.59 : x
  2. Step 2: Convert to fraction form
    11,117.67/15,342.80 = 6,081.59/x
  3. Step 3: Cross multiply
    11,117.67x = 15,342.80 × 6,081.59
  4. Step 4: Simplify right side
    11,117.67x = 93,308,511.93
  5. Step 5: Solve for x
    x = 93,308,511.93/11,117.67
  6. Step 6: Final answer
    x = 8,392.81

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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.