Home / 9,840.75-14,763.15-3,997.35

Finding the Fourth Proportional to 9,840.75, 14,763.15 and 3,997.35

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Solution

The fourth proportional to 9,840.75, 14,763.15 and 3,997.35 is: 5,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.75 : 14,763.15 = 3,997.35 : x
  2. Step 2: Convert to fraction form
    9,840.75/14,763.15 = 3,997.35/x
  3. Step 3: Cross multiply
    9,840.75x = 14,763.15 × 3,997.35
  4. Step 4: Simplify right side
    9,840.75x = 59,013,477.65
  5. Step 5: Solve for x
    x = 59,013,477.65/9,840.75
  6. Step 6: Final answer
    x = 5,996.85

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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.