Home / 10,227.42-15,346.26-3,991.50

Finding the Fourth Proportional to 10,227.42, 15,346.26 and 3,991.50

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Solution

The fourth proportional to 10,227.42, 15,346.26 and 3,991.50 is: 5,989.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,227.42 : 15,346.26 = 3,991.50 : x
  2. Step 2: Convert to fraction form
    10,227.42/15,346.26 = 3,991.50/x
  3. Step 3: Cross multiply
    10,227.42x = 15,346.26 × 3,991.50
  4. Step 4: Simplify right side
    10,227.42x = 61,254,596.79
  5. Step 5: Solve for x
    x = 61,254,596.79/10,227.42
  6. Step 6: Final answer
    x = 5,989.25

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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.