Home / 10,948.87-16,423.44-3,157.75

Finding the Fourth Proportional to 10,948.87, 16,423.44 and 3,157.75

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Solution

The fourth proportional to 10,948.87, 16,423.44 and 3,157.75 is: 4,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.87 : 16,423.44 = 3,157.75 : x
  2. Step 2: Convert to fraction form
    10,948.87/16,423.44 = 3,157.75/x
  3. Step 3: Cross multiply
    10,948.87x = 16,423.44 × 3,157.75
  4. Step 4: Simplify right side
    10,948.87x = 51,861,117.66
  5. Step 5: Solve for x
    x = 51,861,117.66/10,948.87
  6. Step 6: Final answer
    x = 4,736.66

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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.