Home / 10,928.22-16,389.88-4,264.89

Finding the Fourth Proportional to 10,928.22, 16,389.88 and 4,264.89

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Solution

The fourth proportional to 10,928.22, 16,389.88 and 4,264.89 is: 6,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.22 : 16,389.88 = 4,264.89 : x
  2. Step 2: Convert to fraction form
    10,928.22/16,389.88 = 4,264.89/x
  3. Step 3: Cross multiply
    10,928.22x = 16,389.88 × 4,264.89
  4. Step 4: Simplify right side
    10,928.22x = 69,900,963.19
  5. Step 5: Solve for x
    x = 69,900,963.19/10,928.22
  6. Step 6: Final answer
    x = 6,396.37

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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.