Home / 11,268.28-16,902.42-8,799.40

Finding the Fourth Proportional to 11,268.28, 16,902.42 and 8,799.40

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Solution

The fourth proportional to 11,268.28, 16,902.42 and 8,799.40 is: 13,199.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.28 : 16,902.42 = 8,799.40 : x
  2. Step 2: Convert to fraction form
    11,268.28/16,902.42 = 8,799.40/x
  3. Step 3: Cross multiply
    11,268.28x = 16,902.42 × 8,799.40
  4. Step 4: Simplify right side
    11,268.28x = 148,731,154.55
  5. Step 5: Solve for x
    x = 148,731,154.55/11,268.28
  6. Step 6: Final answer
    x = 13,199.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.