Home / 7,335.40-11,007.03-4,871.38

Finding the Fourth Proportional to 7,335.40, 11,007.03 and 4,871.38

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Solution

The fourth proportional to 7,335.40, 11,007.03 and 4,871.38 is: 7,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.40 : 11,007.03 = 4,871.38 : x
  2. Step 2: Convert to fraction form
    7,335.40/11,007.03 = 4,871.38/x
  3. Step 3: Cross multiply
    7,335.40x = 11,007.03 × 4,871.38
  4. Step 4: Simplify right side
    7,335.40x = 53,619,425.80
  5. Step 5: Solve for x
    x = 53,619,425.80/7,335.40
  6. Step 6: Final answer
    x = 7,309.68

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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.