Home / 10,353.42-15,536.81-4,809.38

Finding the Fourth Proportional to 10,353.42, 15,536.81 and 4,809.38

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Solution

The fourth proportional to 10,353.42, 15,536.81 and 4,809.38 is: 7,217.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.42 : 15,536.81 = 4,809.38 : x
  2. Step 2: Convert to fraction form
    10,353.42/15,536.81 = 4,809.38/x
  3. Step 3: Cross multiply
    10,353.42x = 15,536.81 × 4,809.38
  4. Step 4: Simplify right side
    10,353.42x = 74,722,357.62
  5. Step 5: Solve for x
    x = 74,722,357.62/10,353.42
  6. Step 6: Final answer
    x = 7,217.17

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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.