Home / 10,356.12-15,521.36-4,801.82

Finding the Fourth Proportional to 10,356.12, 15,521.36 and 4,801.82

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Solution

The fourth proportional to 10,356.12, 15,521.36 and 4,801.82 is: 7,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.12 : 15,521.36 = 4,801.82 : x
  2. Step 2: Convert to fraction form
    10,356.12/15,521.36 = 4,801.82/x
  3. Step 3: Cross multiply
    10,356.12x = 15,521.36 × 4,801.82
  4. Step 4: Simplify right side
    10,356.12x = 74,530,675.26
  5. Step 5: Solve for x
    x = 74,530,675.26/10,356.12
  6. Step 6: Final answer
    x = 7,196.78

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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.