Home / 12,001.80-16,562.30-6,696.48

Finding the Fourth Proportional to 12,001.80, 16,562.30 and 6,696.48

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Solution

The fourth proportional to 12,001.80, 16,562.30 and 6,696.48 is: 9,241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.80 : 16,562.30 = 6,696.48 : x
  2. Step 2: Convert to fraction form
    12,001.80/16,562.30 = 6,696.48/x
  3. Step 3: Cross multiply
    12,001.80x = 16,562.30 × 6,696.48
  4. Step 4: Simplify right side
    12,001.80x = 110,909,110.70
  5. Step 5: Solve for x
    x = 110,909,110.70/12,001.80
  6. Step 6: Final answer
    x = 9,241.04

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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.