Home / 11,551.13-17,328.83-3,655.63

Finding the Fourth Proportional to 11,551.13, 17,328.83 and 3,655.63

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Solution

The fourth proportional to 11,551.13, 17,328.83 and 3,655.63 is: 5,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,551.13 : 17,328.83 = 3,655.63 : x
  2. Step 2: Convert to fraction form
    11,551.13/17,328.83 = 3,655.63/x
  3. Step 3: Cross multiply
    11,551.13x = 17,328.83 × 3,655.63
  4. Step 4: Simplify right side
    11,551.13x = 63,347,794.20
  5. Step 5: Solve for x
    x = 63,347,794.20/11,551.13
  6. Step 6: Final answer
    x = 5,484.12

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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.