Home / 8,976.28-13,463.34-3,132.40

Finding the Fourth Proportional to 8,976.28, 13,463.34 and 3,132.40

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Solution

The fourth proportional to 8,976.28, 13,463.34 and 3,132.40 is: 4,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.28 : 13,463.34 = 3,132.40 : x
  2. Step 2: Convert to fraction form
    8,976.28/13,463.34 = 3,132.40/x
  3. Step 3: Cross multiply
    8,976.28x = 13,463.34 × 3,132.40
  4. Step 4: Simplify right side
    8,976.28x = 42,172,566.22
  5. Step 5: Solve for x
    x = 42,172,566.22/8,976.28
  6. Step 6: Final answer
    x = 4,698.22

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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.