Home / 6,653.82-9,172.73-5,235.06

Finding the Fourth Proportional to 6,653.82, 9,172.73 and 5,235.06

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Solution

The fourth proportional to 6,653.82, 9,172.73 and 5,235.06 is: 7,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,653.82 : 9,172.73 = 5,235.06 : x
  2. Step 2: Convert to fraction form
    6,653.82/9,172.73 = 5,235.06/x
  3. Step 3: Cross multiply
    6,653.82x = 9,172.73 × 5,235.06
  4. Step 4: Simplify right side
    6,653.82x = 48,019,839.40
  5. Step 5: Solve for x
    x = 48,019,839.40/6,653.82
  6. Step 6: Final answer
    x = 7,216.88

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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.