Home / 7,215.08-9,956.52-4,028.24

Finding the Fourth Proportional to 7,215.08, 9,956.52 and 4,028.24

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Solution

The fourth proportional to 7,215.08, 9,956.52 and 4,028.24 is: 5,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.08 : 9,956.52 = 4,028.24 : x
  2. Step 2: Convert to fraction form
    7,215.08/9,956.52 = 4,028.24/x
  3. Step 3: Cross multiply
    7,215.08x = 9,956.52 × 4,028.24
  4. Step 4: Simplify right side
    7,215.08x = 40,107,252.12
  5. Step 5: Solve for x
    x = 40,107,252.12/7,215.08
  6. Step 6: Final answer
    x = 5,558.81

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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.