Home / 11,438.53-17,162.73-4,423.48

Finding the Fourth Proportional to 11,438.53, 17,162.73 and 4,423.48

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Solution

The fourth proportional to 11,438.53, 17,162.73 and 4,423.48 is: 6,637.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.53 : 17,162.73 = 4,423.48 : x
  2. Step 2: Convert to fraction form
    11,438.53/17,162.73 = 4,423.48/x
  3. Step 3: Cross multiply
    11,438.53x = 17,162.73 × 4,423.48
  4. Step 4: Simplify right side
    11,438.53x = 75,919,035.81
  5. Step 5: Solve for x
    x = 75,919,035.81/11,438.53
  6. Step 6: Final answer
    x = 6,637.13

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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.