Home / 9,640.32-14,462.28-3,400.56

Finding the Fourth Proportional to 9,640.32, 14,462.28 and 3,400.56

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Solution

The fourth proportional to 9,640.32, 14,462.28 and 3,400.56 is: 5,101.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640.32 : 14,462.28 = 3,400.56 : x
  2. Step 2: Convert to fraction form
    9,640.32/14,462.28 = 3,400.56/x
  3. Step 3: Cross multiply
    9,640.32x = 14,462.28 × 3,400.56
  4. Step 4: Simplify right side
    9,640.32x = 49,179,850.88
  5. Step 5: Solve for x
    x = 49,179,850.88/9,640.32
  6. Step 6: Final answer
    x = 5,101.47

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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.