Home / 6,617.32-9,132.06-3,633.20

Finding the Fourth Proportional to 6,617.32, 9,132.06 and 3,633.20

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Solution

The fourth proportional to 6,617.32, 9,132.06 and 3,633.20 is: 5,013.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.32 : 9,132.06 = 3,633.20 : x
  2. Step 2: Convert to fraction form
    6,617.32/9,132.06 = 3,633.20/x
  3. Step 3: Cross multiply
    6,617.32x = 9,132.06 × 3,633.20
  4. Step 4: Simplify right side
    6,617.32x = 33,178,605.06
  5. Step 5: Solve for x
    x = 33,178,605.06/6,617.32
  6. Step 6: Final answer
    x = 5,013.91

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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.