Home / 13,182.99-19,780.97-6,163.48

Finding the Fourth Proportional to 13,182.99, 19,780.97 and 6,163.48

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Solution

The fourth proportional to 13,182.99, 19,780.97 and 6,163.48 is: 9,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.99 : 19,780.97 = 6,163.48 : x
  2. Step 2: Convert to fraction form
    13,182.99/19,780.97 = 6,163.48/x
  3. Step 3: Cross multiply
    13,182.99x = 19,780.97 × 6,163.48
  4. Step 4: Simplify right side
    13,182.99x = 121,919,582.16
  5. Step 5: Solve for x
    x = 121,919,582.16/13,182.99
  6. Step 6: Final answer
    x = 9,248.25

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1.5x scale

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.