Home / 7,561.12-11,334.48-3,660.16

Finding the Fourth Proportional to 7,561.12, 11,334.48 and 3,660.16

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Solution

The fourth proportional to 7,561.12, 11,334.48 and 3,660.16 is: 5,486.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.12 : 11,334.48 = 3,660.16 : x
  2. Step 2: Convert to fraction form
    7,561.12/11,334.48 = 3,660.16/x
  3. Step 3: Cross multiply
    7,561.12x = 11,334.48 × 3,660.16
  4. Step 4: Simplify right side
    7,561.12x = 41,486,010.32
  5. Step 5: Solve for x
    x = 41,486,010.32/7,561.12
  6. Step 6: Final answer
    x = 5,486.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.