Home / 8,928.32-13,393.36-3,307.49

Finding the Fourth Proportional to 8,928.32, 13,393.36 and 3,307.49

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Solution

The fourth proportional to 8,928.32, 13,393.36 and 3,307.49 is: 4,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.32 : 13,393.36 = 3,307.49 : x
  2. Step 2: Convert to fraction form
    8,928.32/13,393.36 = 3,307.49/x
  3. Step 3: Cross multiply
    8,928.32x = 13,393.36 × 3,307.49
  4. Step 4: Simplify right side
    8,928.32x = 44,298,391.66
  5. Step 5: Solve for x
    x = 44,298,391.66/8,928.32
  6. Step 6: Final answer
    x = 4,961.56

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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.