Home / 12,194.76-18,298.30-5,176.56

Finding the Fourth Proportional to 12,194.76, 18,298.30 and 5,176.56

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Solution

The fourth proportional to 12,194.76, 18,298.30 and 5,176.56 is: 7,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.76 : 18,298.30 = 5,176.56 : x
  2. Step 2: Convert to fraction form
    12,194.76/18,298.30 = 5,176.56/x
  3. Step 3: Cross multiply
    12,194.76x = 18,298.30 × 5,176.56
  4. Step 4: Simplify right side
    12,194.76x = 94,722,247.85
  5. Step 5: Solve for x
    x = 94,722,247.85/12,194.76
  6. Step 6: Final answer
    x = 7,767.45

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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.