Home / 11,184.13-15,436.34-8,526.79

Finding the Fourth Proportional to 11,184.13, 15,436.34 and 8,526.79

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Solution

The fourth proportional to 11,184.13, 15,436.34 and 8,526.79 is: 11,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.13 : 15,436.34 = 8,526.79 : x
  2. Step 2: Convert to fraction form
    11,184.13/15,436.34 = 8,526.79/x
  3. Step 3: Cross multiply
    11,184.13x = 15,436.34 × 8,526.79
  4. Step 4: Simplify right side
    11,184.13x = 131,622,429.55
  5. Step 5: Solve for x
    x = 131,622,429.55/11,184.13
  6. Step 6: Final answer
    x = 11,768.68

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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.