Home / 11,088.80-16,635.12-4,518.56

Finding the Fourth Proportional to 11,088.80, 16,635.12 and 4,518.56

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Solution

The fourth proportional to 11,088.80, 16,635.12 and 4,518.56 is: 6,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.80 : 16,635.12 = 4,518.56 : x
  2. Step 2: Convert to fraction form
    11,088.80/16,635.12 = 4,518.56/x
  3. Step 3: Cross multiply
    11,088.80x = 16,635.12 × 4,518.56
  4. Step 4: Simplify right side
    11,088.80x = 75,166,787.83
  5. Step 5: Solve for x
    x = 75,166,787.83/11,088.80
  6. Step 6: Final answer
    x = 6,778.62

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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.