Home / 11,345.13-17,011.85-5,099.81

Finding the Fourth Proportional to 11,345.13, 17,011.85 and 5,099.81

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Solution

The fourth proportional to 11,345.13, 17,011.85 and 5,099.81 is: 7,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.13 : 17,011.85 = 5,099.81 : x
  2. Step 2: Convert to fraction form
    11,345.13/17,011.85 = 5,099.81/x
  3. Step 3: Cross multiply
    11,345.13x = 17,011.85 × 5,099.81
  4. Step 4: Simplify right side
    11,345.13x = 86,757,092.19
  5. Step 5: Solve for x
    x = 86,757,092.19/11,345.13
  6. Step 6: Final answer
    x = 7,647.08

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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.