Home / 11,865.16-17,789.64-4,468.24

Finding the Fourth Proportional to 11,865.16, 17,789.64 and 4,468.24

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Solution

The fourth proportional to 11,865.16, 17,789.64 and 4,468.24 is: 6,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.16 : 17,789.64 = 4,468.24 : x
  2. Step 2: Convert to fraction form
    11,865.16/17,789.64 = 4,468.24/x
  3. Step 3: Cross multiply
    11,865.16x = 17,789.64 × 4,468.24
  4. Step 4: Simplify right side
    11,865.16x = 79,488,381.03
  5. Step 5: Solve for x
    x = 79,488,381.03/11,865.16
  6. Step 6: Final answer
    x = 6,699.31

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1.5x scale

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.