Home / 8,799.81-12,143.64-4,766.56

Finding the Fourth Proportional to 8,799.81, 12,143.64 and 4,766.56

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Solution

The fourth proportional to 8,799.81, 12,143.64 and 4,766.56 is: 6,577.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.81 : 12,143.64 = 4,766.56 : x
  2. Step 2: Convert to fraction form
    8,799.81/12,143.64 = 4,766.56/x
  3. Step 3: Cross multiply
    8,799.81x = 12,143.64 × 4,766.56
  4. Step 4: Simplify right side
    8,799.81x = 57,883,370.13
  5. Step 5: Solve for x
    x = 57,883,370.13/8,799.81
  6. Step 6: Final answer
    x = 6,577.80

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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.