Home / 10,078.62-15,117.91-2,683.08

Finding the Fourth Proportional to 10,078.62, 15,117.91 and 2,683.08

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Solution

The fourth proportional to 10,078.62, 15,117.91 and 2,683.08 is: 4,024.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.62 : 15,117.91 = 2,683.08 : x
  2. Step 2: Convert to fraction form
    10,078.62/15,117.91 = 2,683.08/x
  3. Step 3: Cross multiply
    10,078.62x = 15,117.91 × 2,683.08
  4. Step 4: Simplify right side
    10,078.62x = 40,562,561.96
  5. Step 5: Solve for x
    x = 40,562,561.96/10,078.62
  6. Step 6: Final answer
    x = 4,024.61

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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.