Home / 7,606.85-11,416.31-3,447.15

Finding the Fourth Proportional to 7,606.85, 11,416.31 and 3,447.15

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Solution

The fourth proportional to 7,606.85, 11,416.31 and 3,447.15 is: 5,173.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,606.85 : 11,416.31 = 3,447.15 : x
  2. Step 2: Convert to fraction form
    7,606.85/11,416.31 = 3,447.15/x
  3. Step 3: Cross multiply
    7,606.85x = 11,416.31 × 3,447.15
  4. Step 4: Simplify right side
    7,606.85x = 39,353,715.78
  5. Step 5: Solve for x
    x = 39,353,715.78/7,606.85
  6. Step 6: Final answer
    x = 5,173.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.