Home / 11,461.45-17,181.19-7,288.54

Finding the Fourth Proportional to 11,461.45, 17,181.19 and 7,288.54

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Solution

The fourth proportional to 11,461.45, 17,181.19 and 7,288.54 is: 10,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,461.45 : 17,181.19 = 7,288.54 : x
  2. Step 2: Convert to fraction form
    11,461.45/17,181.19 = 7,288.54/x
  3. Step 3: Cross multiply
    11,461.45x = 17,181.19 × 7,288.54
  4. Step 4: Simplify right side
    11,461.45x = 125,225,790.56
  5. Step 5: Solve for x
    x = 125,225,790.56/11,461.45
  6. Step 6: Final answer
    x = 10,925.82

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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.