Home / 11,321.18-16,994.06-9,574.31

Finding the Fourth Proportional to 11,321.18, 16,994.06 and 9,574.31

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Solution

The fourth proportional to 11,321.18, 16,994.06 and 9,574.31 is: 14,371.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.18 : 16,994.06 = 9,574.31 : x
  2. Step 2: Convert to fraction form
    11,321.18/16,994.06 = 9,574.31/x
  3. Step 3: Cross multiply
    11,321.18x = 16,994.06 × 9,574.31
  4. Step 4: Simplify right side
    11,321.18x = 162,706,408.25
  5. Step 5: Solve for x
    x = 162,706,408.25/11,321.18
  6. Step 6: Final answer
    x = 14,371.86

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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.