Home / 10,922.50-16,389.69-4,348.68

Finding the Fourth Proportional to 10,922.50, 16,389.69 and 4,348.68

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Solution

The fourth proportional to 10,922.50, 16,389.69 and 4,348.68 is: 6,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.50 : 16,389.69 = 4,348.68 : x
  2. Step 2: Convert to fraction form
    10,922.50/16,389.69 = 4,348.68/x
  3. Step 3: Cross multiply
    10,922.50x = 16,389.69 × 4,348.68
  4. Step 4: Simplify right side
    10,922.50x = 71,273,517.11
  5. Step 5: Solve for x
    x = 71,273,517.11/10,922.50
  6. Step 6: Final answer
    x = 6,525.38

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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.