Home / 23,112.60-34,669.70-7,317.80

Finding the Fourth Proportional to 23,112.60, 34,669.70 and 7,317.80

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Solution

The fourth proportional to 23,112.60, 34,669.70 and 7,317.80 is: 10,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,112.60 : 34,669.70 = 7,317.80 : x
  2. Step 2: Convert to fraction form
    23,112.60/34,669.70 = 7,317.80/x
  3. Step 3: Cross multiply
    23,112.60x = 34,669.70 × 7,317.80
  4. Step 4: Simplify right side
    23,112.60x = 253,705,930.66
  5. Step 5: Solve for x
    x = 253,705,930.66/23,112.60
  6. Step 6: Final answer
    x = 10,976.95

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1.5x scale

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.