Home / 11,647.74-16,074.20-6,612.18

Finding the Fourth Proportional to 11,647.74, 16,074.20 and 6,612.18

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Solution

The fourth proportional to 11,647.74, 16,074.20 and 6,612.18 is: 9,124.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647.74 : 16,074.20 = 6,612.18 : x
  2. Step 2: Convert to fraction form
    11,647.74/16,074.20 = 6,612.18/x
  3. Step 3: Cross multiply
    11,647.74x = 16,074.20 × 6,612.18
  4. Step 4: Simplify right side
    11,647.74x = 106,285,503.76
  5. Step 5: Solve for x
    x = 106,285,503.76/11,647.74
  6. Step 6: Final answer
    x = 9,124.99

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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.