Home / 9,329.16-13,972.78-4,388.37

Finding the Fourth Proportional to 9,329.16, 13,972.78 and 4,388.37

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Solution

The fourth proportional to 9,329.16, 13,972.78 and 4,388.37 is: 6,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.16 : 13,972.78 = 4,388.37 : x
  2. Step 2: Convert to fraction form
    9,329.16/13,972.78 = 4,388.37/x
  3. Step 3: Cross multiply
    9,329.16x = 13,972.78 × 4,388.37
  4. Step 4: Simplify right side
    9,329.16x = 61,317,728.57
  5. Step 5: Solve for x
    x = 61,317,728.57/9,329.16
  6. Step 6: Final answer
    x = 6,572.70

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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.