Home / 11,119.34-16,679.05-9,029.43

Finding the Fourth Proportional to 11,119.34, 16,679.05 and 9,029.43

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Solution

The fourth proportional to 11,119.34, 16,679.05 and 9,029.43 is: 13,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,119.34 : 16,679.05 = 9,029.43 : x
  2. Step 2: Convert to fraction form
    11,119.34/16,679.05 = 9,029.43/x
  3. Step 3: Cross multiply
    11,119.34x = 16,679.05 × 9,029.43
  4. Step 4: Simplify right side
    11,119.34x = 150,602,291.87
  5. Step 5: Solve for x
    x = 150,602,291.87/11,119.34
  6. Step 6: Final answer
    x = 13,544.17

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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.