Home / 12,561.21-17,333.19-7,525.26

Finding the Fourth Proportional to 12,561.21, 17,333.19 and 7,525.26

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Solution

The fourth proportional to 12,561.21, 17,333.19 and 7,525.26 is: 10,384.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.21 : 17,333.19 = 7,525.26 : x
  2. Step 2: Convert to fraction form
    12,561.21/17,333.19 = 7,525.26/x
  3. Step 3: Cross multiply
    12,561.21x = 17,333.19 × 7,525.26
  4. Step 4: Simplify right side
    12,561.21x = 130,436,761.38
  5. Step 5: Solve for x
    x = 130,436,761.38/12,561.21
  6. Step 6: Final answer
    x = 10,384.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.