Home / 11,246.80-16,870.20-4,677.70

Finding the Fourth Proportional to 11,246.80, 16,870.20 and 4,677.70

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Solution

The fourth proportional to 11,246.80, 16,870.20 and 4,677.70 is: 7,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.80 : 16,870.20 = 4,677.70 : x
  2. Step 2: Convert to fraction form
    11,246.80/16,870.20 = 4,677.70/x
  3. Step 3: Cross multiply
    11,246.80x = 16,870.20 × 4,677.70
  4. Step 4: Simplify right side
    11,246.80x = 78,913,734.54
  5. Step 5: Solve for x
    x = 78,913,734.54/11,246.80
  6. Step 6: Final answer
    x = 7,016.55

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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.