Home / 11,561.55-15,954.98-6,256.36

Finding the Fourth Proportional to 11,561.55, 15,954.98 and 6,256.36

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Solution

The fourth proportional to 11,561.55, 15,954.98 and 6,256.36 is: 8,633.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.55 : 15,954.98 = 6,256.36 : x
  2. Step 2: Convert to fraction form
    11,561.55/15,954.98 = 6,256.36/x
  3. Step 3: Cross multiply
    11,561.55x = 15,954.98 × 6,256.36
  4. Step 4: Simplify right side
    11,561.55x = 99,820,149.80
  5. Step 5: Solve for x
    x = 99,820,149.80/11,561.55
  6. Step 6: Final answer
    x = 8,633.81

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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.