Home / 10,268.38-15,404.16-4,345.30

Finding the Fourth Proportional to 10,268.38, 15,404.16 and 4,345.30

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Solution

The fourth proportional to 10,268.38, 15,404.16 and 4,345.30 is: 6,518.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.38 : 15,404.16 = 4,345.30 : x
  2. Step 2: Convert to fraction form
    10,268.38/15,404.16 = 4,345.30/x
  3. Step 3: Cross multiply
    10,268.38x = 15,404.16 × 4,345.30
  4. Step 4: Simplify right side
    10,268.38x = 66,935,707.56
  5. Step 5: Solve for x
    x = 66,935,707.56/10,268.38
  6. Step 6: Final answer
    x = 6,518.62

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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.