Home / 9,491.35-13,099.45-5,514.66

Finding the Fourth Proportional to 9,491.35, 13,099.45 and 5,514.66

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Solution

The fourth proportional to 9,491.35, 13,099.45 and 5,514.66 is: 7,611.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.35 : 13,099.45 = 5,514.66 : x
  2. Step 2: Convert to fraction form
    9,491.35/13,099.45 = 5,514.66/x
  3. Step 3: Cross multiply
    9,491.35x = 13,099.45 × 5,514.66
  4. Step 4: Simplify right side
    9,491.35x = 72,238,957.14
  5. Step 5: Solve for x
    x = 72,238,957.14/9,491.35
  6. Step 6: Final answer
    x = 7,611.03

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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.