Home / 11,134.96-15,370.60-7,600.12

Finding the Fourth Proportional to 11,134.96, 15,370.60 and 7,600.12

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Solution

The fourth proportional to 11,134.96, 15,370.60 and 7,600.12 is: 10,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.96 : 15,370.60 = 7,600.12 : x
  2. Step 2: Convert to fraction form
    11,134.96/15,370.60 = 7,600.12/x
  3. Step 3: Cross multiply
    11,134.96x = 15,370.60 × 7,600.12
  4. Step 4: Simplify right side
    11,134.96x = 116,818,404.47
  5. Step 5: Solve for x
    x = 116,818,404.47/11,134.96
  6. Step 6: Final answer
    x = 10,491.14

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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.