Home / 11,488.48-17,218.81-5,239.93

Finding the Fourth Proportional to 11,488.48, 17,218.81 and 5,239.93

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Solution

The fourth proportional to 11,488.48, 17,218.81 and 5,239.93 is: 7,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,488.48 : 17,218.81 = 5,239.93 : x
  2. Step 2: Convert to fraction form
    11,488.48/17,218.81 = 5,239.93/x
  3. Step 3: Cross multiply
    11,488.48x = 17,218.81 × 5,239.93
  4. Step 4: Simplify right side
    11,488.48x = 90,225,359.08
  5. Step 5: Solve for x
    x = 90,225,359.08/11,488.48
  6. Step 6: Final answer
    x = 7,853.55

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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.