Home / 10,952.20-16,452.60-10,509.40

Finding the Fourth Proportional to 10,952.20, 16,452.60 and 10,509.40

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Solution

The fourth proportional to 10,952.20, 16,452.60 and 10,509.40 is: 15,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.20 : 16,452.60 = 10,509.40 : x
  2. Step 2: Convert to fraction form
    10,952.20/16,452.60 = 10,509.40/x
  3. Step 3: Cross multiply
    10,952.20x = 16,452.60 × 10,509.40
  4. Step 4: Simplify right side
    10,952.20x = 172,906,954.44
  5. Step 5: Solve for x
    x = 172,906,954.44/10,952.20
  6. Step 6: Final answer
    x = 15,787.42

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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.