Home / 10,018.98-15,029.84-4,174.22

Finding the Fourth Proportional to 10,018.98, 15,029.84 and 4,174.22

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Solution

The fourth proportional to 10,018.98, 15,029.84 and 4,174.22 is: 6,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.98 : 15,029.84 = 4,174.22 : x
  2. Step 2: Convert to fraction form
    10,018.98/15,029.84 = 4,174.22/x
  3. Step 3: Cross multiply
    10,018.98x = 15,029.84 × 4,174.22
  4. Step 4: Simplify right side
    10,018.98x = 62,737,875.43
  5. Step 5: Solve for x
    x = 62,737,875.43/10,018.98
  6. Step 6: Final answer
    x = 6,261.90

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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.