Home / 11,253.20-15,525.68-6,775.25

Finding the Fourth Proportional to 11,253.20, 15,525.68 and 6,775.25

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Solution

The fourth proportional to 11,253.20, 15,525.68 and 6,775.25 is: 9,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.20 : 15,525.68 = 6,775.25 : x
  2. Step 2: Convert to fraction form
    11,253.20/15,525.68 = 6,775.25/x
  3. Step 3: Cross multiply
    11,253.20x = 15,525.68 × 6,775.25
  4. Step 4: Simplify right side
    11,253.20x = 105,190,251.92
  5. Step 5: Solve for x
    x = 105,190,251.92/11,253.20
  6. Step 6: Final answer
    x = 9,347.59

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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.