Home / 7,964.08-11,930.35-5,459.10

Finding the Fourth Proportional to 7,964.08, 11,930.35 and 5,459.10

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Solution

The fourth proportional to 7,964.08, 11,930.35 and 5,459.10 is: 8,177.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.08 : 11,930.35 = 5,459.10 : x
  2. Step 2: Convert to fraction form
    7,964.08/11,930.35 = 5,459.10/x
  3. Step 3: Cross multiply
    7,964.08x = 11,930.35 × 5,459.10
  4. Step 4: Simplify right side
    7,964.08x = 65,128,973.69
  5. Step 5: Solve for x
    x = 65,128,973.69/7,964.08
  6. Step 6: Final answer
    x = 8,177.84

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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.