Home / 8,528.06-11,765.48-5,169.65

Finding the Fourth Proportional to 8,528.06, 11,765.48 and 5,169.65

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Solution

The fourth proportional to 8,528.06, 11,765.48 and 5,169.65 is: 7,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.06 : 11,765.48 = 5,169.65 : x
  2. Step 2: Convert to fraction form
    8,528.06/11,765.48 = 5,169.65/x
  3. Step 3: Cross multiply
    8,528.06x = 11,765.48 × 5,169.65
  4. Step 4: Simplify right side
    8,528.06x = 60,823,354.85
  5. Step 5: Solve for x
    x = 60,823,354.85/8,528.06
  6. Step 6: Final answer
    x = 7,132.15

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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.