Home / 11,319.48-16,965-8,033.40

Finding the Fourth Proportional to 11,319.48, 16,965 and 8,033.40

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Solution

The fourth proportional to 11,319.48, 16,965 and 8,033.40 is: 12,040.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.48 : 16,965 = 8,033.40 : x
  2. Step 2: Convert to fraction form
    11,319.48/16,965 = 8,033.40/x
  3. Step 3: Cross multiply
    11,319.48x = 16,965 × 8,033.40
  4. Step 4: Simplify right side
    11,319.48x = 136,286,631
  5. Step 5: Solve for x
    x = 136,286,631/11,319.48
  6. Step 6: Final answer
    x = 12,040.01

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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.