Home / 8,716.48-12,025.06-5,179.01

Finding the Fourth Proportional to 8,716.48, 12,025.06 and 5,179.01

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Solution

The fourth proportional to 8,716.48, 12,025.06 and 5,179.01 is: 7,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.48 : 12,025.06 = 5,179.01 : x
  2. Step 2: Convert to fraction form
    8,716.48/12,025.06 = 5,179.01/x
  3. Step 3: Cross multiply
    8,716.48x = 12,025.06 × 5,179.01
  4. Step 4: Simplify right side
    8,716.48x = 62,277,832.92
  5. Step 5: Solve for x
    x = 62,277,832.92/8,716.48
  6. Step 6: Final answer
    x = 7,144.84

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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.