Home / 11,827.50-16,321.77-6,522.18

Finding the Fourth Proportional to 11,827.50, 16,321.77 and 6,522.18

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Solution

The fourth proportional to 11,827.50, 16,321.77 and 6,522.18 is: 9,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,827.50 : 16,321.77 = 6,522.18 : x
  2. Step 2: Convert to fraction form
    11,827.50/16,321.77 = 6,522.18/x
  3. Step 3: Cross multiply
    11,827.50x = 16,321.77 × 6,522.18
  4. Step 4: Simplify right side
    11,827.50x = 106,453,521.86
  5. Step 5: Solve for x
    x = 106,453,521.86/11,827.50
  6. Step 6: Final answer
    x = 9,000.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.