Home / 11,549.72-17,326.41-4,977.79

Finding the Fourth Proportional to 11,549.72, 17,326.41 and 4,977.79

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Solution

The fourth proportional to 11,549.72, 17,326.41 and 4,977.79 is: 7,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,549.72 : 17,326.41 = 4,977.79 : x
  2. Step 2: Convert to fraction form
    11,549.72/17,326.41 = 4,977.79/x
  3. Step 3: Cross multiply
    11,549.72x = 17,326.41 × 4,977.79
  4. Step 4: Simplify right side
    11,549.72x = 86,247,168.45
  5. Step 5: Solve for x
    x = 86,247,168.45/11,549.72
  6. Step 6: Final answer
    x = 7,467.47

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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.