Home / 10,680.06-16,023.51-5,133.80

Finding the Fourth Proportional to 10,680.06, 16,023.51 and 5,133.80

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Solution

The fourth proportional to 10,680.06, 16,023.51 and 5,133.80 is: 7,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.06 : 16,023.51 = 5,133.80 : x
  2. Step 2: Convert to fraction form
    10,680.06/16,023.51 = 5,133.80/x
  3. Step 3: Cross multiply
    10,680.06x = 16,023.51 × 5,133.80
  4. Step 4: Simplify right side
    10,680.06x = 82,261,495.64
  5. Step 5: Solve for x
    x = 82,261,495.64/10,680.06
  6. Step 6: Final answer
    x = 7,702.34

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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.