Home / 11,612.90-16,025.84-6,307.61

Finding the Fourth Proportional to 11,612.90, 16,025.84 and 6,307.61

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Solution

The fourth proportional to 11,612.90, 16,025.84 and 6,307.61 is: 8,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612.90 : 16,025.84 = 6,307.61 : x
  2. Step 2: Convert to fraction form
    11,612.90/16,025.84 = 6,307.61/x
  3. Step 3: Cross multiply
    11,612.90x = 16,025.84 × 6,307.61
  4. Step 4: Simplify right side
    11,612.90x = 101,084,636.98
  5. Step 5: Solve for x
    x = 101,084,636.98/11,612.90
  6. Step 6: Final answer
    x = 8,704.51

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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.