Home / 11,027.61-15,209.30-7,254.68

Finding the Fourth Proportional to 11,027.61, 15,209.30 and 7,254.68

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Solution

The fourth proportional to 11,027.61, 15,209.30 and 7,254.68 is: 10,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.61 : 15,209.30 = 7,254.68 : x
  2. Step 2: Convert to fraction form
    11,027.61/15,209.30 = 7,254.68/x
  3. Step 3: Cross multiply
    11,027.61x = 15,209.30 × 7,254.68
  4. Step 4: Simplify right side
    11,027.61x = 110,338,546.61
  5. Step 5: Solve for x
    x = 110,338,546.61/11,027.61
  6. Step 6: Final answer
    x = 10,005.66

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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.