Home / 9,881.50-14,821.15-2,485.96

Finding the Fourth Proportional to 9,881.50, 14,821.15 and 2,485.96

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Solution

The fourth proportional to 9,881.50, 14,821.15 and 2,485.96 is: 3,728.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,881.50 : 14,821.15 = 2,485.96 : x
  2. Step 2: Convert to fraction form
    9,881.50/14,821.15 = 2,485.96/x
  3. Step 3: Cross multiply
    9,881.50x = 14,821.15 × 2,485.96
  4. Step 4: Simplify right side
    9,881.50x = 36,844,752.11
  5. Step 5: Solve for x
    x = 36,844,752.11/9,881.50
  6. Step 6: Final answer
    x = 3,728.66

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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.