Home / 11,142.01-15,375.58-6,106.11

Finding the Fourth Proportional to 11,142.01, 15,375.58 and 6,106.11

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Solution

The fourth proportional to 11,142.01, 15,375.58 and 6,106.11 is: 8,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142.01 : 15,375.58 = 6,106.11 : x
  2. Step 2: Convert to fraction form
    11,142.01/15,375.58 = 6,106.11/x
  3. Step 3: Cross multiply
    11,142.01x = 15,375.58 × 6,106.11
  4. Step 4: Simplify right side
    11,142.01x = 93,884,982.79
  5. Step 5: Solve for x
    x = 93,884,982.79/11,142.01
  6. Step 6: Final answer
    x = 8,426.22

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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.