Home / 11,561.76-15,955.26-6,256.62

Finding the Fourth Proportional to 11,561.76, 15,955.26 and 6,256.62

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Solution

The fourth proportional to 11,561.76, 15,955.26 and 6,256.62 is: 8,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.76 : 15,955.26 = 6,256.62 : x
  2. Step 2: Convert to fraction form
    11,561.76/15,955.26 = 6,256.62/x
  3. Step 3: Cross multiply
    11,561.76x = 15,955.26 × 6,256.62
  4. Step 4: Simplify right side
    11,561.76x = 99,825,998.82
  5. Step 5: Solve for x
    x = 99,825,998.82/11,561.76
  6. Step 6: Final answer
    x = 8,634.15

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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.