Home / 12,001.46-16,560.39-6,696.15

Finding the Fourth Proportional to 12,001.46, 16,560.39 and 6,696.15

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Solution

The fourth proportional to 12,001.46, 16,560.39 and 6,696.15 is: 9,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.46 : 16,560.39 = 6,696.15 : x
  2. Step 2: Convert to fraction form
    12,001.46/16,560.39 = 6,696.15/x
  3. Step 3: Cross multiply
    12,001.46x = 16,560.39 × 6,696.15
  4. Step 4: Simplify right side
    12,001.46x = 110,890,855.50
  5. Step 5: Solve for x
    x = 110,890,855.50/12,001.46
  6. Step 6: Final answer
    x = 9,239.78

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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.