Home / 11,829.19-17,746.54-3,931.13

Finding the Fourth Proportional to 11,829.19, 17,746.54 and 3,931.13

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Solution

The fourth proportional to 11,829.19, 17,746.54 and 3,931.13 is: 5,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,829.19 : 17,746.54 = 3,931.13 : x
  2. Step 2: Convert to fraction form
    11,829.19/17,746.54 = 3,931.13/x
  3. Step 3: Cross multiply
    11,829.19x = 17,746.54 × 3,931.13
  4. Step 4: Simplify right side
    11,829.19x = 69,764,012.44
  5. Step 5: Solve for x
    x = 69,764,012.44/11,829.19
  6. Step 6: Final answer
    x = 5,897.62

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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.