Home / 11,089.95-16,632.18-6,644.85

Finding the Fourth Proportional to 11,089.95, 16,632.18 and 6,644.85

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Solution

The fourth proportional to 11,089.95, 16,632.18 and 6,644.85 is: 9,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,089.95 : 16,632.18 = 6,644.85 : x
  2. Step 2: Convert to fraction form
    11,089.95/16,632.18 = 6,644.85/x
  3. Step 3: Cross multiply
    11,089.95x = 16,632.18 × 6,644.85
  4. Step 4: Simplify right side
    11,089.95x = 110,518,341.27
  5. Step 5: Solve for x
    x = 110,518,341.27/11,089.95
  6. Step 6: Final answer
    x = 9,965.63

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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.