Home / 10,950.20-16,445.10-9,589.40

Finding the Fourth Proportional to 10,950.20, 16,445.10 and 9,589.40

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Solution

The fourth proportional to 10,950.20, 16,445.10 and 9,589.40 is: 14,401.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.20 : 16,445.10 = 9,589.40 : x
  2. Step 2: Convert to fraction form
    10,950.20/16,445.10 = 9,589.40/x
  3. Step 3: Cross multiply
    10,950.20x = 16,445.10 × 9,589.40
  4. Step 4: Simplify right side
    10,950.20x = 157,698,641.94
  5. Step 5: Solve for x
    x = 157,698,641.94/10,950.20
  6. Step 6: Final answer
    x = 14,401.44

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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.