Home / 6,606.60-9,116.80-3,622.36

Finding the Fourth Proportional to 6,606.60, 9,116.80 and 3,622.36

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Solution

The fourth proportional to 6,606.60, 9,116.80 and 3,622.36 is: 4,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.60 : 9,116.80 = 3,622.36 : x
  2. Step 2: Convert to fraction form
    6,606.60/9,116.80 = 3,622.36/x
  3. Step 3: Cross multiply
    6,606.60x = 9,116.80 × 3,622.36
  4. Step 4: Simplify right side
    6,606.60x = 33,024,331.65
  5. Step 5: Solve for x
    x = 33,024,331.65/6,606.60
  6. Step 6: Final answer
    x = 4,998.69

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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.