Home / 8,933.48-13,399.52-3,386.32

Finding the Fourth Proportional to 8,933.48, 13,399.52 and 3,386.32

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Solution

The fourth proportional to 8,933.48, 13,399.52 and 3,386.32 is: 5,079.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,933.48 : 13,399.52 = 3,386.32 : x
  2. Step 2: Convert to fraction form
    8,933.48/13,399.52 = 3,386.32/x
  3. Step 3: Cross multiply
    8,933.48x = 13,399.52 × 3,386.32
  4. Step 4: Simplify right side
    8,933.48x = 45,375,062.57
  5. Step 5: Solve for x
    x = 45,375,062.57/8,933.48
  6. Step 6: Final answer
    x = 5,079.21

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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.