Home / 6,607.11-9,117.80-3,622.87

Finding the Fourth Proportional to 6,607.11, 9,117.80 and 3,622.87

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Solution

The fourth proportional to 6,607.11, 9,117.80 and 3,622.87 is: 4,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.11 : 9,117.80 = 3,622.87 : x
  2. Step 2: Convert to fraction form
    6,607.11/9,117.80 = 3,622.87/x
  3. Step 3: Cross multiply
    6,607.11x = 9,117.80 × 3,622.87
  4. Step 4: Simplify right side
    6,607.11x = 33,032,608.77
  5. Step 5: Solve for x
    x = 33,032,608.77/6,607.11
  6. Step 6: Final answer
    x = 4,999.56

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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.