Home / 12,273.40-16,937.86-7,237.84

Finding the Fourth Proportional to 12,273.40, 16,937.86 and 7,237.84

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Solution

The fourth proportional to 12,273.40, 16,937.86 and 7,237.84 is: 9,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.40 : 16,937.86 = 7,237.84 : x
  2. Step 2: Convert to fraction form
    12,273.40/16,937.86 = 7,237.84/x
  3. Step 3: Cross multiply
    12,273.40x = 16,937.86 × 7,237.84
  4. Step 4: Simplify right side
    12,273.40x = 122,593,520.62
  5. Step 5: Solve for x
    x = 122,593,520.62/12,273.40
  6. Step 6: Final answer
    x = 9,988.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.