Home / 10,516.44-15,743.16-10,142.60

Finding the Fourth Proportional to 10,516.44, 15,743.16 and 10,142.60

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Solution

The fourth proportional to 10,516.44, 15,743.16 and 10,142.60 is: 15,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.44 : 15,743.16 = 10,142.60 : x
  2. Step 2: Convert to fraction form
    10,516.44/15,743.16 = 10,142.60/x
  3. Step 3: Cross multiply
    10,516.44x = 15,743.16 × 10,142.60
  4. Step 4: Simplify right side
    10,516.44x = 159,676,574.62
  5. Step 5: Solve for x
    x = 159,676,574.62/10,516.44
  6. Step 6: Final answer
    x = 15,183.52

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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.