Home / 9,126.62-13,689.93-3,582.58

Finding the Fourth Proportional to 9,126.62, 13,689.93 and 3,582.58

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Solution

The fourth proportional to 9,126.62, 13,689.93 and 3,582.58 is: 5,373.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.62 : 13,689.93 = 3,582.58 : x
  2. Step 2: Convert to fraction form
    9,126.62/13,689.93 = 3,582.58/x
  3. Step 3: Cross multiply
    9,126.62x = 13,689.93 × 3,582.58
  4. Step 4: Simplify right side
    9,126.62x = 49,045,200.97
  5. Step 5: Solve for x
    x = 49,045,200.97/9,126.62
  6. Step 6: Final answer
    x = 5,373.86

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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.