Home / 6,606.60-9,117.12-3,622.56

Finding the Fourth Proportional to 6,606.60, 9,117.12 and 3,622.56

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Solution

The fourth proportional to 6,606.60, 9,117.12 and 3,622.56 is: 4,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.60 : 9,117.12 = 3,622.56 : x
  2. Step 2: Convert to fraction form
    6,606.60/9,117.12 = 3,622.56/x
  3. Step 3: Cross multiply
    6,606.60x = 9,117.12 × 3,622.56
  4. Step 4: Simplify right side
    6,606.60x = 33,027,314.23
  5. Step 5: Solve for x
    x = 33,027,314.23/6,606.60
  6. Step 6: Final answer
    x = 4,999.14

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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.