Home / 7,499.16-11,246.30-3,549.80

Finding the Fourth Proportional to 7,499.16, 11,246.30 and 3,549.80

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Solution

The fourth proportional to 7,499.16, 11,246.30 and 3,549.80 is: 5,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.16 : 11,246.30 = 3,549.80 : x
  2. Step 2: Convert to fraction form
    7,499.16/11,246.30 = 3,549.80/x
  3. Step 3: Cross multiply
    7,499.16x = 11,246.30 × 3,549.80
  4. Step 4: Simplify right side
    7,499.16x = 39,922,115.74
  5. Step 5: Solve for x
    x = 39,922,115.74/7,499.16
  6. Step 6: Final answer
    x = 5,323.55

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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.