Home / 8,724.56-12,037.74-5,367.92

Finding the Fourth Proportional to 8,724.56, 12,037.74 and 5,367.92

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Solution

The fourth proportional to 8,724.56, 12,037.74 and 5,367.92 is: 7,406.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.56 : 12,037.74 = 5,367.92 : x
  2. Step 2: Convert to fraction form
    8,724.56/12,037.74 = 5,367.92/x
  3. Step 3: Cross multiply
    8,724.56x = 12,037.74 × 5,367.92
  4. Step 4: Simplify right side
    8,724.56x = 64,617,625.30
  5. Step 5: Solve for x
    x = 64,617,625.30/8,724.56
  6. Step 6: Final answer
    x = 7,406.41

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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.