Home / 10,774.24-16,161.53-3,378.76

Finding the Fourth Proportional to 10,774.24, 16,161.53 and 3,378.76

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Solution

The fourth proportional to 10,774.24, 16,161.53 and 3,378.76 is: 5,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,774.24 : 16,161.53 = 3,378.76 : x
  2. Step 2: Convert to fraction form
    10,774.24/16,161.53 = 3,378.76/x
  3. Step 3: Cross multiply
    10,774.24x = 16,161.53 × 3,378.76
  4. Step 4: Simplify right side
    10,774.24x = 54,605,986.10
  5. Step 5: Solve for x
    x = 54,605,986.10/10,774.24
  6. Step 6: Final answer
    x = 5,068.20

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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.