Home / 8,716.46-12,025.44-5,356.58

Finding the Fourth Proportional to 8,716.46, 12,025.44 and 5,356.58

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Solution

The fourth proportional to 8,716.46, 12,025.44 and 5,356.58 is: 7,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.46 : 12,025.44 = 5,356.58 : x
  2. Step 2: Convert to fraction form
    8,716.46/12,025.44 = 5,356.58/x
  3. Step 3: Cross multiply
    8,716.46x = 12,025.44 × 5,356.58
  4. Step 4: Simplify right side
    8,716.46x = 64,415,231.40
  5. Step 5: Solve for x
    x = 64,415,231.40/8,716.46
  6. Step 6: Final answer
    x = 7,390.07

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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.