Home / 8,507.19-12,762.81-2,664.26

Finding the Fourth Proportional to 8,507.19, 12,762.81 and 2,664.26

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Solution

The fourth proportional to 8,507.19, 12,762.81 and 2,664.26 is: 3,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.19 : 12,762.81 = 2,664.26 : x
  2. Step 2: Convert to fraction form
    8,507.19/12,762.81 = 2,664.26/x
  3. Step 3: Cross multiply
    8,507.19x = 12,762.81 × 2,664.26
  4. Step 4: Simplify right side
    8,507.19x = 34,003,380.36
  5. Step 5: Solve for x
    x = 34,003,380.36/8,507.19
  6. Step 6: Final answer
    x = 3,997.02

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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.