Home / 11,193.99-15,447.09-6,157.40

Finding the Fourth Proportional to 11,193.99, 15,447.09 and 6,157.40

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Solution

The fourth proportional to 11,193.99, 15,447.09 and 6,157.40 is: 8,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.99 : 15,447.09 = 6,157.40 : x
  2. Step 2: Convert to fraction form
    11,193.99/15,447.09 = 6,157.40/x
  3. Step 3: Cross multiply
    11,193.99x = 15,447.09 × 6,157.40
  4. Step 4: Simplify right side
    11,193.99x = 95,113,857.82
  5. Step 5: Solve for x
    x = 95,113,857.82/11,193.99
  6. Step 6: Final answer
    x = 8,496.87

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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.