Home / 11,186.58-15,437.54-6,151.12

Finding the Fourth Proportional to 11,186.58, 15,437.54 and 6,151.12

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Solution

The fourth proportional to 11,186.58, 15,437.54 and 6,151.12 is: 8,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.58 : 15,437.54 = 6,151.12 : x
  2. Step 2: Convert to fraction form
    11,186.58/15,437.54 = 6,151.12/x
  3. Step 3: Cross multiply
    11,186.58x = 15,437.54 × 6,151.12
  4. Step 4: Simplify right side
    11,186.58x = 94,958,168.88
  5. Step 5: Solve for x
    x = 94,958,168.88/11,186.58
  6. Step 6: Final answer
    x = 8,488.58

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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.