Home / 8,866.32-13,299.36-2,291.96

Finding the Fourth Proportional to 8,866.32, 13,299.36 and 2,291.96

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Solution

The fourth proportional to 8,866.32, 13,299.36 and 2,291.96 is: 3,437.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.32 : 13,299.36 = 2,291.96 : x
  2. Step 2: Convert to fraction form
    8,866.32/13,299.36 = 2,291.96/x
  3. Step 3: Cross multiply
    8,866.32x = 13,299.36 × 2,291.96
  4. Step 4: Simplify right side
    8,866.32x = 30,481,601.15
  5. Step 5: Solve for x
    x = 30,481,601.15/8,866.32
  6. Step 6: Final answer
    x = 3,437.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.