Home / 11,518.28-17,263.38-4,930.56

Finding the Fourth Proportional to 11,518.28, 17,263.38 and 4,930.56

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Solution

The fourth proportional to 11,518.28, 17,263.38 and 4,930.56 is: 7,389.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.28 : 17,263.38 = 4,930.56 : x
  2. Step 2: Convert to fraction form
    11,518.28/17,263.38 = 4,930.56/x
  3. Step 3: Cross multiply
    11,518.28x = 17,263.38 × 4,930.56
  4. Step 4: Simplify right side
    11,518.28x = 85,118,130.89
  5. Step 5: Solve for x
    x = 85,118,130.89/11,518.28
  6. Step 6: Final answer
    x = 7,389.83

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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.