Home / 12,081.53-16,670.13-7,046.57

Finding the Fourth Proportional to 12,081.53, 16,670.13 and 7,046.57

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Solution

The fourth proportional to 12,081.53, 16,670.13 and 7,046.57 is: 9,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.53 : 16,670.13 = 7,046.57 : x
  2. Step 2: Convert to fraction form
    12,081.53/16,670.13 = 7,046.57/x
  3. Step 3: Cross multiply
    12,081.53x = 16,670.13 × 7,046.57
  4. Step 4: Simplify right side
    12,081.53x = 117,467,237.95
  5. Step 5: Solve for x
    x = 117,467,237.95/12,081.53
  6. Step 6: Final answer
    x = 9,722.88

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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.