Home / 10,481.42-15,687.58-5,730.32

Finding the Fourth Proportional to 10,481.42, 15,687.58 and 5,730.32

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Solution

The fourth proportional to 10,481.42, 15,687.58 and 5,730.32 is: 8,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,481.42 : 15,687.58 = 5,730.32 : x
  2. Step 2: Convert to fraction form
    10,481.42/15,687.58 = 5,730.32/x
  3. Step 3: Cross multiply
    10,481.42x = 15,687.58 × 5,730.32
  4. Step 4: Simplify right side
    10,481.42x = 89,894,853.43
  5. Step 5: Solve for x
    x = 89,894,853.43/10,481.42
  6. Step 6: Final answer
    x = 8,576.59

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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.