Home / 7,639.06-11,447.78-3,252.10

Finding the Fourth Proportional to 7,639.06, 11,447.78 and 3,252.10

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Solution

The fourth proportional to 7,639.06, 11,447.78 and 3,252.10 is: 4,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.06 : 11,447.78 = 3,252.10 : x
  2. Step 2: Convert to fraction form
    7,639.06/11,447.78 = 3,252.10/x
  3. Step 3: Cross multiply
    7,639.06x = 11,447.78 × 3,252.10
  4. Step 4: Simplify right side
    7,639.06x = 37,229,325.34
  5. Step 5: Solve for x
    x = 37,229,325.34/7,639.06
  6. Step 6: Final answer
    x = 4,873.55

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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.