Home / 11,250.09-15,521.63-6,531.03

Finding the Fourth Proportional to 11,250.09, 15,521.63 and 6,531.03

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Solution

The fourth proportional to 11,250.09, 15,521.63 and 6,531.03 is: 9,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.09 : 15,521.63 = 6,531.03 : x
  2. Step 2: Convert to fraction form
    11,250.09/15,521.63 = 6,531.03/x
  3. Step 3: Cross multiply
    11,250.09x = 15,521.63 × 6,531.03
  4. Step 4: Simplify right side
    11,250.09x = 101,372,198.52
  5. Step 5: Solve for x
    x = 101,372,198.52/11,250.09
  6. Step 6: Final answer
    x = 9,010.79

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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.