Home / 7,461.23-11,191.20-3,511.56

Finding the Fourth Proportional to 7,461.23, 11,191.20 and 3,511.56

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Solution

The fourth proportional to 7,461.23, 11,191.20 and 3,511.56 is: 5,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.23 : 11,191.20 = 3,511.56 : x
  2. Step 2: Convert to fraction form
    7,461.23/11,191.20 = 3,511.56/x
  3. Step 3: Cross multiply
    7,461.23x = 11,191.20 × 3,511.56
  4. Step 4: Simplify right side
    7,461.23x = 39,298,570.27
  5. Step 5: Solve for x
    x = 39,298,570.27/7,461.23
  6. Step 6: Final answer
    x = 5,267.04

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Double scale
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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.