Home / 6,740.12-10,116.60-4,867.88

Finding the Fourth Proportional to 6,740.12, 10,116.60 and 4,867.88

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Solution

The fourth proportional to 6,740.12, 10,116.60 and 4,867.88 is: 7,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,740.12 : 10,116.60 = 4,867.88 : x
  2. Step 2: Convert to fraction form
    6,740.12/10,116.60 = 4,867.88/x
  3. Step 3: Cross multiply
    6,740.12x = 10,116.60 × 4,867.88
  4. Step 4: Simplify right side
    6,740.12x = 49,246,394.81
  5. Step 5: Solve for x
    x = 49,246,394.81/6,740.12
  6. Step 6: Final answer
    x = 7,306.46

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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.