Home / 9,132.56-13,698.85-2,976.56

Finding the Fourth Proportional to 9,132.56, 13,698.85 and 2,976.56

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Solution

The fourth proportional to 9,132.56, 13,698.85 and 2,976.56 is: 4,464.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.56 : 13,698.85 = 2,976.56 : x
  2. Step 2: Convert to fraction form
    9,132.56/13,698.85 = 2,976.56/x
  3. Step 3: Cross multiply
    9,132.56x = 13,698.85 × 2,976.56
  4. Step 4: Simplify right side
    9,132.56x = 40,775,448.96
  5. Step 5: Solve for x
    x = 40,775,448.96/9,132.56
  6. Step 6: Final answer
    x = 4,464.84

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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.