Home / 10,018.82-15,029.60-4,174.06

Finding the Fourth Proportional to 10,018.82, 15,029.60 and 4,174.06

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Solution

The fourth proportional to 10,018.82, 15,029.60 and 4,174.06 is: 6,261.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.82 : 15,029.60 = 4,174.06 : x
  2. Step 2: Convert to fraction form
    10,018.82/15,029.60 = 4,174.06/x
  3. Step 3: Cross multiply
    10,018.82x = 15,029.60 × 4,174.06
  4. Step 4: Simplify right side
    10,018.82x = 62,734,479.31
  5. Step 5: Solve for x
    x = 62,734,479.31/10,018.82
  6. Step 6: Final answer
    x = 6,261.66

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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.