Home / 11,631.95-17,448.49-3,312.55

Finding the Fourth Proportional to 11,631.95, 17,448.49 and 3,312.55

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Solution

The fourth proportional to 11,631.95, 17,448.49 and 3,312.55 is: 4,968.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,631.95 : 17,448.49 = 3,312.55 : x
  2. Step 2: Convert to fraction form
    11,631.95/17,448.49 = 3,312.55/x
  3. Step 3: Cross multiply
    11,631.95x = 17,448.49 × 3,312.55
  4. Step 4: Simplify right side
    11,631.95x = 57,798,914.04
  5. Step 5: Solve for x
    x = 57,798,914.04/11,631.95
  6. Step 6: Final answer
    x = 4,968.98

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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.