Home / 9,786.98-14,680.47-2,391.35

Finding the Fourth Proportional to 9,786.98, 14,680.47 and 2,391.35

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Solution

The fourth proportional to 9,786.98, 14,680.47 and 2,391.35 is: 3,587.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.98 : 14,680.47 = 2,391.35 : x
  2. Step 2: Convert to fraction form
    9,786.98/14,680.47 = 2,391.35/x
  3. Step 3: Cross multiply
    9,786.98x = 14,680.47 × 2,391.35
  4. Step 4: Simplify right side
    9,786.98x = 35,106,098.61
  5. Step 5: Solve for x
    x = 35,106,098.61/9,786.98
  6. Step 6: Final answer
    x = 3,587.02

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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.