Home / 11,561.18-15,954.35-6,255.95

Finding the Fourth Proportional to 11,561.18, 15,954.35 and 6,255.95

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Solution

The fourth proportional to 11,561.18, 15,954.35 and 6,255.95 is: 8,633.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.18 : 15,954.35 = 6,255.95 : x
  2. Step 2: Convert to fraction form
    11,561.18/15,954.35 = 6,255.95/x
  3. Step 3: Cross multiply
    11,561.18x = 15,954.35 × 6,255.95
  4. Step 4: Simplify right side
    11,561.18x = 99,809,504.83
  5. Step 5: Solve for x
    x = 99,809,504.83/11,561.18
  6. Step 6: Final answer
    x = 8,633.16

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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.