Home / 10,530.98-15,796.31-3,135.48

Finding the Fourth Proportional to 10,530.98, 15,796.31 and 3,135.48

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Solution

The fourth proportional to 10,530.98, 15,796.31 and 3,135.48 is: 4,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.98 : 15,796.31 = 3,135.48 : x
  2. Step 2: Convert to fraction form
    10,530.98/15,796.31 = 3,135.48/x
  3. Step 3: Cross multiply
    10,530.98x = 15,796.31 × 3,135.48
  4. Step 4: Simplify right side
    10,530.98x = 49,528,998.40
  5. Step 5: Solve for x
    x = 49,528,998.40/10,530.98
  6. Step 6: Final answer
    x = 4,703.17

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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.