Home / 10,174.33-15,261.70-6,686.57

Finding the Fourth Proportional to 10,174.33, 15,261.70 and 6,686.57

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Solution

The fourth proportional to 10,174.33, 15,261.70 and 6,686.57 is: 10,029.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,174.33 : 15,261.70 = 6,686.57 : x
  2. Step 2: Convert to fraction form
    10,174.33/15,261.70 = 6,686.57/x
  3. Step 3: Cross multiply
    10,174.33x = 15,261.70 × 6,686.57
  4. Step 4: Simplify right side
    10,174.33x = 102,048,425.37
  5. Step 5: Solve for x
    x = 102,048,425.37/10,174.33
  6. Step 6: Final answer
    x = 10,029.99

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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.