Home / 17,111.21-25,666.89-5,264.91

Finding the Fourth Proportional to 17,111.21, 25,666.89 and 5,264.91

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Solution

The fourth proportional to 17,111.21, 25,666.89 and 5,264.91 is: 7,897.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,111.21 : 25,666.89 = 5,264.91 : x
  2. Step 2: Convert to fraction form
    17,111.21/25,666.89 = 5,264.91/x
  3. Step 3: Cross multiply
    17,111.21x = 25,666.89 × 5,264.91
  4. Step 4: Simplify right side
    17,111.21x = 135,133,865.83
  5. Step 5: Solve for x
    x = 135,133,865.83/17,111.21
  6. Step 6: Final answer
    x = 7,897.39

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1.5x scale

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.