Home / 11,438.87-17,125.95-7,268.54

Finding the Fourth Proportional to 11,438.87, 17,125.95 and 7,268.54

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Solution

The fourth proportional to 11,438.87, 17,125.95 and 7,268.54 is: 10,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.87 : 17,125.95 = 7,268.54 : x
  2. Step 2: Convert to fraction form
    11,438.87/17,125.95 = 7,268.54/x
  3. Step 3: Cross multiply
    11,438.87x = 17,125.95 × 7,268.54
  4. Step 4: Simplify right side
    11,438.87x = 124,480,652.61
  5. Step 5: Solve for x
    x = 124,480,652.61/11,438.87
  6. Step 6: Final answer
    x = 10,882.25

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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.