Home / 11,112.09-15,335.33-6,333.49

Finding the Fourth Proportional to 11,112.09, 15,335.33 and 6,333.49

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Solution

The fourth proportional to 11,112.09, 15,335.33 and 6,333.49 is: 8,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.09 : 15,335.33 = 6,333.49 : x
  2. Step 2: Convert to fraction form
    11,112.09/15,335.33 = 6,333.49/x
  3. Step 3: Cross multiply
    11,112.09x = 15,335.33 × 6,333.49
  4. Step 4: Simplify right side
    11,112.09x = 97,126,146.70
  5. Step 5: Solve for x
    x = 97,126,146.70/11,112.09
  6. Step 6: Final answer
    x = 8,740.59

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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.