Home / 11,063.70-15,267.33-6,871.86

Finding the Fourth Proportional to 11,063.70, 15,267.33 and 6,871.86

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Solution

The fourth proportional to 11,063.70, 15,267.33 and 6,871.86 is: 9,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,063.70 : 15,267.33 = 6,871.86 : x
  2. Step 2: Convert to fraction form
    11,063.70/15,267.33 = 6,871.86/x
  3. Step 3: Cross multiply
    11,063.70x = 15,267.33 × 6,871.86
  4. Step 4: Simplify right side
    11,063.70x = 104,914,954.33
  5. Step 5: Solve for x
    x = 104,914,954.33/11,063.70
  6. Step 6: Final answer
    x = 9,482.81

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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.