Home / 11,222.01-15,489.35-6,626.81

Finding the Fourth Proportional to 11,222.01, 15,489.35 and 6,626.81

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Solution

The fourth proportional to 11,222.01, 15,489.35 and 6,626.81 is: 9,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.01 : 15,489.35 = 6,626.81 : x
  2. Step 2: Convert to fraction form
    11,222.01/15,489.35 = 6,626.81/x
  3. Step 3: Cross multiply
    11,222.01x = 15,489.35 × 6,626.81
  4. Step 4: Simplify right side
    11,222.01x = 102,644,868.89
  5. Step 5: Solve for x
    x = 102,644,868.89/11,222.01
  6. Step 6: Final answer
    x = 9,146.75

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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.