Home / 9,529.35-13,150.13-5,280.48

Finding the Fourth Proportional to 9,529.35, 13,150.13 and 5,280.48

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Solution

The fourth proportional to 9,529.35, 13,150.13 and 5,280.48 is: 7,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,529.35 : 13,150.13 = 5,280.48 : x
  2. Step 2: Convert to fraction form
    9,529.35/13,150.13 = 5,280.48/x
  3. Step 3: Cross multiply
    9,529.35x = 13,150.13 × 5,280.48
  4. Step 4: Simplify right side
    9,529.35x = 69,438,906.31
  5. Step 5: Solve for x
    x = 69,438,906.31/9,529.35
  6. Step 6: Final answer
    x = 7,286.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.