Home / 35,384.78-53,084.13-11,691.37

Finding the Fourth Proportional to 35,384.78, 53,084.13 and 11,691.37

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Solution

The fourth proportional to 35,384.78, 53,084.13 and 11,691.37 is: 17,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,384.78 : 53,084.13 = 11,691.37 : x
  2. Step 2: Convert to fraction form
    35,384.78/53,084.13 = 11,691.37/x
  3. Step 3: Cross multiply
    35,384.78x = 53,084.13 × 11,691.37
  4. Step 4: Simplify right side
    35,384.78x = 620,626,227.47
  5. Step 5: Solve for x
    x = 620,626,227.47/35,384.78
  6. Step 6: Final answer
    x = 17,539.35

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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.