Home / 9,582.19-13,223.62-5,390.44

Finding the Fourth Proportional to 9,582.19, 13,223.62 and 5,390.44

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Solution

The fourth proportional to 9,582.19, 13,223.62 and 5,390.44 is: 7,438.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,582.19 : 13,223.62 = 5,390.44 : x
  2. Step 2: Convert to fraction form
    9,582.19/13,223.62 = 5,390.44/x
  3. Step 3: Cross multiply
    9,582.19x = 13,223.62 × 5,390.44
  4. Step 4: Simplify right side
    9,582.19x = 71,281,103.87
  5. Step 5: Solve for x
    x = 71,281,103.87/9,582.19
  6. Step 6: Final answer
    x = 7,438.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.