Home / 8,947.88-13,421.98-3,104.68

Finding the Fourth Proportional to 8,947.88, 13,421.98 and 3,104.68

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Solution

The fourth proportional to 8,947.88, 13,421.98 and 3,104.68 is: 4,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.88 : 13,421.98 = 3,104.68 : x
  2. Step 2: Convert to fraction form
    8,947.88/13,421.98 = 3,104.68/x
  3. Step 3: Cross multiply
    8,947.88x = 13,421.98 × 3,104.68
  4. Step 4: Simplify right side
    8,947.88x = 41,670,952.87
  5. Step 5: Solve for x
    x = 41,670,952.87/8,947.88
  6. Step 6: Final answer
    x = 4,657.08

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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.