Home / 8,716.46-12,027.21-4,938.84

Finding the Fourth Proportional to 8,716.46, 12,027.21 and 4,938.84

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Solution

The fourth proportional to 8,716.46, 12,027.21 and 4,938.84 is: 6,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.46 : 12,027.21 = 4,938.84 : x
  2. Step 2: Convert to fraction form
    8,716.46/12,027.21 = 4,938.84/x
  3. Step 3: Cross multiply
    8,716.46x = 12,027.21 × 4,938.84
  4. Step 4: Simplify right side
    8,716.46x = 59,400,465.84
  5. Step 5: Solve for x
    x = 59,400,465.84/8,716.46
  6. Step 6: Final answer
    x = 6,814.75

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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.