Home / 9,156.70-13,736.67-3,312.82

Finding the Fourth Proportional to 9,156.70, 13,736.67 and 3,312.82

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Solution

The fourth proportional to 9,156.70, 13,736.67 and 3,312.82 is: 4,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.70 : 13,736.67 = 3,312.82 : x
  2. Step 2: Convert to fraction form
    9,156.70/13,736.67 = 3,312.82/x
  3. Step 3: Cross multiply
    9,156.70x = 13,736.67 × 3,312.82
  4. Step 4: Simplify right side
    9,156.70x = 45,507,115.11
  5. Step 5: Solve for x
    x = 45,507,115.11/9,156.70
  6. Step 6: Final answer
    x = 4,969.82

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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.