Home / 7,385.49-11,083.50-4,101.21

Finding the Fourth Proportional to 7,385.49, 11,083.50 and 4,101.21

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Solution

The fourth proportional to 7,385.49, 11,083.50 and 4,101.21 is: 6,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.49 : 11,083.50 = 4,101.21 : x
  2. Step 2: Convert to fraction form
    7,385.49/11,083.50 = 4,101.21/x
  3. Step 3: Cross multiply
    7,385.49x = 11,083.50 × 4,101.21
  4. Step 4: Simplify right side
    7,385.49x = 45,455,761.04
  5. Step 5: Solve for x
    x = 45,455,761.04/7,385.49
  6. Step 6: Final answer
    x = 6,154.74

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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.