Home / 11,835.18-17,734.81-8,700.25

Finding the Fourth Proportional to 11,835.18, 17,734.81 and 8,700.25

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Solution

The fourth proportional to 11,835.18, 17,734.81 and 8,700.25 is: 13,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.18 : 17,734.81 = 8,700.25 : x
  2. Step 2: Convert to fraction form
    11,835.18/17,734.81 = 8,700.25/x
  3. Step 3: Cross multiply
    11,835.18x = 17,734.81 × 8,700.25
  4. Step 4: Simplify right side
    11,835.18x = 154,297,237.20
  5. Step 5: Solve for x
    x = 154,297,237.20/11,835.18
  6. Step 6: Final answer
    x = 13,037.17

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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.