Home / 10,199.87-15,298.75-3,535.73

Finding the Fourth Proportional to 10,199.87, 15,298.75 and 3,535.73

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Solution

The fourth proportional to 10,199.87, 15,298.75 and 3,535.73 is: 5,303.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.87 : 15,298.75 = 3,535.73 : x
  2. Step 2: Convert to fraction form
    10,199.87/15,298.75 = 3,535.73/x
  3. Step 3: Cross multiply
    10,199.87x = 15,298.75 × 3,535.73
  4. Step 4: Simplify right side
    10,199.87x = 54,092,249.34
  5. Step 5: Solve for x
    x = 54,092,249.34/10,199.87
  6. Step 6: Final answer
    x = 5,303.23

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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.