Home / 6,455.08-9,664.24-4,257.12

Finding the Fourth Proportional to 6,455.08, 9,664.24 and 4,257.12

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Solution

The fourth proportional to 6,455.08, 9,664.24 and 4,257.12 is: 6,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.08 : 9,664.24 = 4,257.12 : x
  2. Step 2: Convert to fraction form
    6,455.08/9,664.24 = 4,257.12/x
  3. Step 3: Cross multiply
    6,455.08x = 9,664.24 × 4,257.12
  4. Step 4: Simplify right side
    6,455.08x = 41,141,829.39
  5. Step 5: Solve for x
    x = 41,141,829.39/6,455.08
  6. Step 6: Final answer
    x = 6,373.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.