Home / 11,190.18-15,442.41-6,154.47

Finding the Fourth Proportional to 11,190.18, 15,442.41 and 6,154.47

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Solution

The fourth proportional to 11,190.18, 15,442.41 and 6,154.47 is: 8,493.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.18 : 15,442.41 = 6,154.47 : x
  2. Step 2: Convert to fraction form
    11,190.18/15,442.41 = 6,154.47/x
  3. Step 3: Cross multiply
    11,190.18x = 15,442.41 × 6,154.47
  4. Step 4: Simplify right side
    11,190.18x = 95,039,849.07
  5. Step 5: Solve for x
    x = 95,039,849.07/11,190.18
  6. Step 6: Final answer
    x = 8,493.15

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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.