Home / 11,561.97-15,955.41-6,256.68

Finding the Fourth Proportional to 11,561.97, 15,955.41 and 6,256.68

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Solution

The fourth proportional to 11,561.97, 15,955.41 and 6,256.68 is: 8,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.97 : 15,955.41 = 6,256.68 : x
  2. Step 2: Convert to fraction form
    11,561.97/15,955.41 = 6,256.68/x
  3. Step 3: Cross multiply
    11,561.97x = 15,955.41 × 6,256.68
  4. Step 4: Simplify right side
    11,561.97x = 99,827,894.64
  5. Step 5: Solve for x
    x = 99,827,894.64/11,561.97
  6. Step 6: Final answer
    x = 8,634.16

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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.