Home / 11,631.92-17,448.45-3,312.51

Finding the Fourth Proportional to 11,631.92, 17,448.45 and 3,312.51

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Solution

The fourth proportional to 11,631.92, 17,448.45 and 3,312.51 is: 4,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.92 : 17,448.45 = 3,312.51 : x
  2. Step 2: Convert to fraction form
    11,631.92/17,448.45 = 3,312.51/x
  3. Step 3: Cross multiply
    11,631.92x = 17,448.45 × 3,312.51
  4. Step 4: Simplify right side
    11,631.92x = 57,798,165.11
  5. Step 5: Solve for x
    x = 57,798,165.11/11,631.92
  6. Step 6: Final answer
    x = 4,968.93

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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.