Home / 7,848.35-11,767.63-3,686.57

Finding the Fourth Proportional to 7,848.35, 11,767.63 and 3,686.57

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Solution

The fourth proportional to 7,848.35, 11,767.63 and 3,686.57 is: 5,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.35 : 11,767.63 = 3,686.57 : x
  2. Step 2: Convert to fraction form
    7,848.35/11,767.63 = 3,686.57/x
  3. Step 3: Cross multiply
    7,848.35x = 11,767.63 × 3,686.57
  4. Step 4: Simplify right side
    7,848.35x = 43,382,153.09
  5. Step 5: Solve for x
    x = 43,382,153.09/7,848.35
  6. Step 6: Final answer
    x = 5,527.55

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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.