Home / 10,163.48-15,249.47-3,590.33

Finding the Fourth Proportional to 10,163.48, 15,249.47 and 3,590.33

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Solution

The fourth proportional to 10,163.48, 15,249.47 and 3,590.33 is: 5,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.48 : 15,249.47 = 3,590.33 : x
  2. Step 2: Convert to fraction form
    10,163.48/15,249.47 = 3,590.33/x
  3. Step 3: Cross multiply
    10,163.48x = 15,249.47 × 3,590.33
  4. Step 4: Simplify right side
    10,163.48x = 54,750,535.43
  5. Step 5: Solve for x
    x = 54,750,535.43/10,163.48
  6. Step 6: Final answer
    x = 5,386.99

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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.