Home / 8,157.51-12,226.68-3,476.12

Finding the Fourth Proportional to 8,157.51, 12,226.68 and 3,476.12

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Solution

The fourth proportional to 8,157.51, 12,226.68 and 3,476.12 is: 5,210.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.51 : 12,226.68 = 3,476.12 : x
  2. Step 2: Convert to fraction form
    8,157.51/12,226.68 = 3,476.12/x
  3. Step 3: Cross multiply
    8,157.51x = 12,226.68 × 3,476.12
  4. Step 4: Simplify right side
    8,157.51x = 42,501,345.75
  5. Step 5: Solve for x
    x = 42,501,345.75/8,157.51
  6. Step 6: Final answer
    x = 5,210.09

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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.