Home / 8,226.29-11,349.32-4,687.45

Finding the Fourth Proportional to 8,226.29, 11,349.32 and 4,687.45

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Solution

The fourth proportional to 8,226.29, 11,349.32 and 4,687.45 is: 6,466.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,226.29 : 11,349.32 = 4,687.45 : x
  2. Step 2: Convert to fraction form
    8,226.29/11,349.32 = 4,687.45/x
  3. Step 3: Cross multiply
    8,226.29x = 11,349.32 × 4,687.45
  4. Step 4: Simplify right side
    8,226.29x = 53,199,318.22
  5. Step 5: Solve for x
    x = 53,199,318.22/8,226.29
  6. Step 6: Final answer
    x = 6,466.99

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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.