Home / 8,845.68-12,206.96-4,866.78

Finding the Fourth Proportional to 8,845.68, 12,206.96 and 4,866.78

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Solution

The fourth proportional to 8,845.68, 12,206.96 and 4,866.78 is: 6,716.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.68 : 12,206.96 = 4,866.78 : x
  2. Step 2: Convert to fraction form
    8,845.68/12,206.96 = 4,866.78/x
  3. Step 3: Cross multiply
    8,845.68x = 12,206.96 × 4,866.78
  4. Step 4: Simplify right side
    8,845.68x = 59,408,588.79
  5. Step 5: Solve for x
    x = 59,408,588.79/8,845.68
  6. Step 6: Final answer
    x = 6,716.11

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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.