Home / 8,975.70-13,463.60-3,132.30

Finding the Fourth Proportional to 8,975.70, 13,463.60 and 3,132.30

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Solution

The fourth proportional to 8,975.70, 13,463.60 and 3,132.30 is: 4,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.70 : 13,463.60 = 3,132.30 : x
  2. Step 2: Convert to fraction form
    8,975.70/13,463.60 = 3,132.30/x
  3. Step 3: Cross multiply
    8,975.70x = 13,463.60 × 3,132.30
  4. Step 4: Simplify right side
    8,975.70x = 42,172,034.28
  5. Step 5: Solve for x
    x = 42,172,034.28/8,975.70
  6. Step 6: Final answer
    x = 4,698.47

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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.