Home / 8,202.66-11,318.72-4,665.12

Finding the Fourth Proportional to 8,202.66, 11,318.72 and 4,665.12

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Solution

The fourth proportional to 8,202.66, 11,318.72 and 4,665.12 is: 6,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.66 : 11,318.72 = 4,665.12 : x
  2. Step 2: Convert to fraction form
    8,202.66/11,318.72 = 4,665.12/x
  3. Step 3: Cross multiply
    8,202.66x = 11,318.72 × 4,665.12
  4. Step 4: Simplify right side
    8,202.66x = 52,803,187.05
  5. Step 5: Solve for x
    x = 52,803,187.05/8,202.66
  6. Step 6: Final answer
    x = 6,437.32

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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.