Home / 12,001.89-16,562.63-6,696.71

Finding the Fourth Proportional to 12,001.89, 16,562.63 and 6,696.71

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Solution

The fourth proportional to 12,001.89, 16,562.63 and 6,696.71 is: 9,241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.89 : 16,562.63 = 6,696.71 : x
  2. Step 2: Convert to fraction form
    12,001.89/16,562.63 = 6,696.71/x
  3. Step 3: Cross multiply
    12,001.89x = 16,562.63 × 6,696.71
  4. Step 4: Simplify right side
    12,001.89x = 110,915,013.65
  5. Step 5: Solve for x
    x = 110,915,013.65/12,001.89
  6. Step 6: Final answer
    x = 9,241.46

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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.