Home / 11,191.08-15,435.30-10,694.76

Finding the Fourth Proportional to 11,191.08, 15,435.30 and 10,694.76

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Solution

The fourth proportional to 11,191.08, 15,435.30 and 10,694.76 is: 14,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191.08 : 15,435.30 = 10,694.76 : x
  2. Step 2: Convert to fraction form
    11,191.08/15,435.30 = 10,694.76/x
  3. Step 3: Cross multiply
    11,191.08x = 15,435.30 × 10,694.76
  4. Step 4: Simplify right side
    11,191.08x = 165,076,829.03
  5. Step 5: Solve for x
    x = 165,076,829.03/11,191.08
  6. Step 6: Final answer
    x = 14,750.75

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Double scale
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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.