Home / 17,610.16-26,411-5,126.80

Finding the Fourth Proportional to 17,610.16, 26,411 and 5,126.80

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Solution

The fourth proportional to 17,610.16, 26,411 and 5,126.80 is: 7,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,610.16 : 26,411 = 5,126.80 : x
  2. Step 2: Convert to fraction form
    17,610.16/26,411 = 5,126.80/x
  3. Step 3: Cross multiply
    17,610.16x = 26,411 × 5,126.80
  4. Step 4: Simplify right side
    17,610.16x = 135,403,914.80
  5. Step 5: Solve for x
    x = 135,403,914.80/17,610.16
  6. Step 6: Final answer
    x = 7,688.97

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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.