Home / 12,170.06-16,793.16-7,133.12

Finding the Fourth Proportional to 12,170.06, 16,793.16 and 7,133.12

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Solution

The fourth proportional to 12,170.06, 16,793.16 and 7,133.12 is: 9,842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.06 : 16,793.16 = 7,133.12 : x
  2. Step 2: Convert to fraction form
    12,170.06/16,793.16 = 7,133.12/x
  3. Step 3: Cross multiply
    12,170.06x = 16,793.16 × 7,133.12
  4. Step 4: Simplify right side
    12,170.06x = 119,787,625.46
  5. Step 5: Solve for x
    x = 119,787,625.46/12,170.06
  6. Step 6: Final answer
    x = 9,842.81

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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.