Home / 7,402.18-11,108.77-3,506.60

Finding the Fourth Proportional to 7,402.18, 11,108.77 and 3,506.60

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Solution

The fourth proportional to 7,402.18, 11,108.77 and 3,506.60 is: 5,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.18 : 11,108.77 = 3,506.60 : x
  2. Step 2: Convert to fraction form
    7,402.18/11,108.77 = 3,506.60/x
  3. Step 3: Cross multiply
    7,402.18x = 11,108.77 × 3,506.60
  4. Step 4: Simplify right side
    7,402.18x = 38,954,012.88
  5. Step 5: Solve for x
    x = 38,954,012.88/7,402.18
  6. Step 6: Final answer
    x = 5,262.51

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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.