Home / 11,618.70-17,428.23-7,460.52

Finding the Fourth Proportional to 11,618.70, 17,428.23 and 7,460.52

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Solution

The fourth proportional to 11,618.70, 17,428.23 and 7,460.52 is: 11,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.70 : 17,428.23 = 7,460.52 : x
  2. Step 2: Convert to fraction form
    11,618.70/17,428.23 = 7,460.52/x
  3. Step 3: Cross multiply
    11,618.70x = 17,428.23 × 7,460.52
  4. Step 4: Simplify right side
    11,618.70x = 130,023,658.48
  5. Step 5: Solve for x
    x = 130,023,658.48/11,618.70
  6. Step 6: Final answer
    x = 11,190.90

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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.