Home / 12,058.52-18,115.58-11,560.30

Finding the Fourth Proportional to 12,058.52, 18,115.58 and 11,560.30

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Solution

The fourth proportional to 12,058.52, 18,115.58 and 11,560.30 is: 17,367.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058.52 : 18,115.58 = 11,560.30 : x
  2. Step 2: Convert to fraction form
    12,058.52/18,115.58 = 11,560.30/x
  3. Step 3: Cross multiply
    12,058.52x = 18,115.58 × 11,560.30
  4. Step 4: Simplify right side
    12,058.52x = 209,421,523.09
  5. Step 5: Solve for x
    x = 209,421,523.09/12,058.52
  6. Step 6: Final answer
    x = 17,367.11

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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.