Home / 11,233.10-16,849.71-4,991.64

Finding the Fourth Proportional to 11,233.10, 16,849.71 and 4,991.64

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Solution

The fourth proportional to 11,233.10, 16,849.71 and 4,991.64 is: 7,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,233.10 : 16,849.71 = 4,991.64 : x
  2. Step 2: Convert to fraction form
    11,233.10/16,849.71 = 4,991.64/x
  3. Step 3: Cross multiply
    11,233.10x = 16,849.71 × 4,991.64
  4. Step 4: Simplify right side
    11,233.10x = 84,107,686.42
  5. Step 5: Solve for x
    x = 84,107,686.42/11,233.10
  6. Step 6: Final answer
    x = 7,487.49

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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.