Home / 10,910.13-15,055.79-6,194.31

Finding the Fourth Proportional to 10,910.13, 15,055.79 and 6,194.31

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Solution

The fourth proportional to 10,910.13, 15,055.79 and 6,194.31 is: 8,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.13 : 15,055.79 = 6,194.31 : x
  2. Step 2: Convert to fraction form
    10,910.13/15,055.79 = 6,194.31/x
  3. Step 3: Cross multiply
    10,910.13x = 15,055.79 × 6,194.31
  4. Step 4: Simplify right side
    10,910.13x = 93,260,199.58
  5. Step 5: Solve for x
    x = 93,260,199.58/10,910.13
  6. Step 6: Final answer
    x = 8,548.04

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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.