Home / 11,186.21-15,437.39-6,150.85

Finding the Fourth Proportional to 11,186.21, 15,437.39 and 6,150.85

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Solution

The fourth proportional to 11,186.21, 15,437.39 and 6,150.85 is: 8,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.21 : 15,437.39 = 6,150.85 : x
  2. Step 2: Convert to fraction form
    11,186.21/15,437.39 = 6,150.85/x
  3. Step 3: Cross multiply
    11,186.21x = 15,437.39 × 6,150.85
  4. Step 4: Simplify right side
    11,186.21x = 94,953,000.93
  5. Step 5: Solve for x
    x = 94,953,000.93/11,186.21
  6. Step 6: Final answer
    x = 8,488.40

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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.