Home / 11,423.72-17,135.40-3,632.42

Finding the Fourth Proportional to 11,423.72, 17,135.40 and 3,632.42

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Solution

The fourth proportional to 11,423.72, 17,135.40 and 3,632.42 is: 5,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.72 : 17,135.40 = 3,632.42 : x
  2. Step 2: Convert to fraction form
    11,423.72/17,135.40 = 3,632.42/x
  3. Step 3: Cross multiply
    11,423.72x = 17,135.40 × 3,632.42
  4. Step 4: Simplify right side
    11,423.72x = 62,242,969.67
  5. Step 5: Solve for x
    x = 62,242,969.67/11,423.72
  6. Step 6: Final answer
    x = 5,448.57

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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.