Home / 11,854.76-17,781.93-3,534.80

Finding the Fourth Proportional to 11,854.76, 17,781.93 and 3,534.80

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Solution

The fourth proportional to 11,854.76, 17,781.93 and 3,534.80 is: 5,302.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.76 : 17,781.93 = 3,534.80 : x
  2. Step 2: Convert to fraction form
    11,854.76/17,781.93 = 3,534.80/x
  3. Step 3: Cross multiply
    11,854.76x = 17,781.93 × 3,534.80
  4. Step 4: Simplify right side
    11,854.76x = 62,855,477.25
  5. Step 5: Solve for x
    x = 62,855,477.25/11,854.76
  6. Step 6: Final answer
    x = 5,302.13

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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.