Home / 11,581.18-17,368.27-4,917.56

Finding the Fourth Proportional to 11,581.18, 17,368.27 and 4,917.56

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Solution

The fourth proportional to 11,581.18, 17,368.27 and 4,917.56 is: 7,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.18 : 17,368.27 = 4,917.56 : x
  2. Step 2: Convert to fraction form
    11,581.18/17,368.27 = 4,917.56/x
  3. Step 3: Cross multiply
    11,581.18x = 17,368.27 × 4,917.56
  4. Step 4: Simplify right side
    11,581.18x = 85,409,410.69
  5. Step 5: Solve for x
    x = 85,409,410.69/11,581.18
  6. Step 6: Final answer
    x = 7,374.85

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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.