Home / 12,292.56-16,950.32-8,306.76

Finding the Fourth Proportional to 12,292.56, 16,950.32 and 8,306.76

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Solution

The fourth proportional to 12,292.56, 16,950.32 and 8,306.76 is: 11,454.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292.56 : 16,950.32 = 8,306.76 : x
  2. Step 2: Convert to fraction form
    12,292.56/16,950.32 = 8,306.76/x
  3. Step 3: Cross multiply
    12,292.56x = 16,950.32 × 8,306.76
  4. Step 4: Simplify right side
    12,292.56x = 140,802,240.16
  5. Step 5: Solve for x
    x = 140,802,240.16/12,292.56
  6. Step 6: Final answer
    x = 11,454.27

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Half scale
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Double scale
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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.