Home / 8,723.87-12,032.84-5,738.75

Finding the Fourth Proportional to 8,723.87, 12,032.84 and 5,738.75

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Solution

The fourth proportional to 8,723.87, 12,032.84 and 5,738.75 is: 7,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.87 : 12,032.84 = 5,738.75 : x
  2. Step 2: Convert to fraction form
    8,723.87/12,032.84 = 5,738.75/x
  3. Step 3: Cross multiply
    8,723.87x = 12,032.84 × 5,738.75
  4. Step 4: Simplify right side
    8,723.87x = 69,053,371.69
  5. Step 5: Solve for x
    x = 69,053,371.69/8,723.87
  6. Step 6: Final answer
    x = 7,915.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.