Home / 7,665.19-11,494.02-3,449.75

Finding the Fourth Proportional to 7,665.19, 11,494.02 and 3,449.75

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Solution

The fourth proportional to 7,665.19, 11,494.02 and 3,449.75 is: 5,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.19 : 11,494.02 = 3,449.75 : x
  2. Step 2: Convert to fraction form
    7,665.19/11,494.02 = 3,449.75/x
  3. Step 3: Cross multiply
    7,665.19x = 11,494.02 × 3,449.75
  4. Step 4: Simplify right side
    7,665.19x = 39,651,438.02
  5. Step 5: Solve for x
    x = 39,651,438.02/7,665.19
  6. Step 6: Final answer
    x = 5,172.92

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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.