Home / 10,115.14-13,950.98-6,579.48

Finding the Fourth Proportional to 10,115.14, 13,950.98 and 6,579.48

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Solution

The fourth proportional to 10,115.14, 13,950.98 and 6,579.48 is: 9,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.14 : 13,950.98 = 6,579.48 : x
  2. Step 2: Convert to fraction form
    10,115.14/13,950.98 = 6,579.48/x
  3. Step 3: Cross multiply
    10,115.14x = 13,950.98 × 6,579.48
  4. Step 4: Simplify right side
    10,115.14x = 91,790,193.89
  5. Step 5: Solve for x
    x = 91,790,193.89/10,115.14
  6. Step 6: Final answer
    x = 9,074.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.