Home / 13,087.83-18,058.04-8,306.03

Finding the Fourth Proportional to 13,087.83, 18,058.04 and 8,306.03

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Solution

The fourth proportional to 13,087.83, 18,058.04 and 8,306.03 is: 11,460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.83 : 18,058.04 = 8,306.03 : x
  2. Step 2: Convert to fraction form
    13,087.83/18,058.04 = 8,306.03/x
  3. Step 3: Cross multiply
    13,087.83x = 18,058.04 × 8,306.03
  4. Step 4: Simplify right side
    13,087.83x = 149,990,621.98
  5. Step 5: Solve for x
    x = 149,990,621.98/13,087.83
  6. Step 6: Final answer
    x = 11,460.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.