Home / 7,848.31-11,770.66-4,686.64

Finding the Fourth Proportional to 7,848.31, 11,770.66 and 4,686.64

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Solution

The fourth proportional to 7,848.31, 11,770.66 and 4,686.64 is: 7,028.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.31 : 11,770.66 = 4,686.64 : x
  2. Step 2: Convert to fraction form
    7,848.31/11,770.66 = 4,686.64/x
  3. Step 3: Cross multiply
    7,848.31x = 11,770.66 × 4,686.64
  4. Step 4: Simplify right side
    7,848.31x = 55,164,845.98
  5. Step 5: Solve for x
    x = 55,164,845.98/7,848.31
  6. Step 6: Final answer
    x = 7,028.88

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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.