Home / 7,416.46-11,128.53-3,259.39

Finding the Fourth Proportional to 7,416.46, 11,128.53 and 3,259.39

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Solution

The fourth proportional to 7,416.46, 11,128.53 and 3,259.39 is: 4,890.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.46 : 11,128.53 = 3,259.39 : x
  2. Step 2: Convert to fraction form
    7,416.46/11,128.53 = 3,259.39/x
  3. Step 3: Cross multiply
    7,416.46x = 11,128.53 × 3,259.39
  4. Step 4: Simplify right side
    7,416.46x = 36,272,147.46
  5. Step 5: Solve for x
    x = 36,272,147.46/7,416.46
  6. Step 6: Final answer
    x = 4,890.76

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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.