Home / 10,925.50-16,388.26-3,529.80

Finding the Fourth Proportional to 10,925.50, 16,388.26 and 3,529.80

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Solution

The fourth proportional to 10,925.50, 16,388.26 and 3,529.80 is: 5,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.50 : 16,388.26 = 3,529.80 : x
  2. Step 2: Convert to fraction form
    10,925.50/16,388.26 = 3,529.80/x
  3. Step 3: Cross multiply
    10,925.50x = 16,388.26 × 3,529.80
  4. Step 4: Simplify right side
    10,925.50x = 57,847,280.15
  5. Step 5: Solve for x
    x = 57,847,280.15/10,925.50
  6. Step 6: Final answer
    x = 5,294.70

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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.