Home / 11,196.60-15,453.51-6,419.75

Finding the Fourth Proportional to 11,196.60, 15,453.51 and 6,419.75

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Solution

The fourth proportional to 11,196.60, 15,453.51 and 6,419.75 is: 8,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,196.60 : 15,453.51 = 6,419.75 : x
  2. Step 2: Convert to fraction form
    11,196.60/15,453.51 = 6,419.75/x
  3. Step 3: Cross multiply
    11,196.60x = 15,453.51 × 6,419.75
  4. Step 4: Simplify right side
    11,196.60x = 99,207,670.82
  5. Step 5: Solve for x
    x = 99,207,670.82/11,196.60
  6. Step 6: Final answer
    x = 8,860.52

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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.