Home / 10,613.94-15,911.19-4,039.98

Finding the Fourth Proportional to 10,613.94, 15,911.19 and 4,039.98

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Solution

The fourth proportional to 10,613.94, 15,911.19 and 4,039.98 is: 6,056.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.94 : 15,911.19 = 4,039.98 : x
  2. Step 2: Convert to fraction form
    10,613.94/15,911.19 = 4,039.98/x
  3. Step 3: Cross multiply
    10,613.94x = 15,911.19 × 4,039.98
  4. Step 4: Simplify right side
    10,613.94x = 64,280,889.38
  5. Step 5: Solve for x
    x = 64,280,889.38/10,613.94
  6. Step 6: Final answer
    x = 6,056.27

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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.