Home / 11,084.86-15,299.08-6,608.90

Finding the Fourth Proportional to 11,084.86, 15,299.08 and 6,608.90

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Solution

The fourth proportional to 11,084.86, 15,299.08 and 6,608.90 is: 9,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.86 : 15,299.08 = 6,608.90 : x
  2. Step 2: Convert to fraction form
    11,084.86/15,299.08 = 6,608.90/x
  3. Step 3: Cross multiply
    11,084.86x = 15,299.08 × 6,608.90
  4. Step 4: Simplify right side
    11,084.86x = 101,110,089.81
  5. Step 5: Solve for x
    x = 101,110,089.81/11,084.86
  6. Step 6: Final answer
    x = 9,121.46

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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.