Home / 11,897.23-17,871.60-7,735.10

Finding the Fourth Proportional to 11,897.23, 17,871.60 and 7,735.10

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Solution

The fourth proportional to 11,897.23, 17,871.60 and 7,735.10 is: 11,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897.23 : 17,871.60 = 7,735.10 : x
  2. Step 2: Convert to fraction form
    11,897.23/17,871.60 = 7,735.10/x
  3. Step 3: Cross multiply
    11,897.23x = 17,871.60 × 7,735.10
  4. Step 4: Simplify right side
    11,897.23x = 138,238,574.48
  5. Step 5: Solve for x
    x = 138,238,574.48/11,897.23
  6. Step 6: Final answer
    x = 11,619.39

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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.