Home / 7,411.24-11,102.94-4,938.76

Finding the Fourth Proportional to 7,411.24, 11,102.94 and 4,938.76

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Solution

The fourth proportional to 7,411.24, 11,102.94 and 4,938.76 is: 7,398.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.24 : 11,102.94 = 4,938.76 : x
  2. Step 2: Convert to fraction form
    7,411.24/11,102.94 = 4,938.76/x
  3. Step 3: Cross multiply
    7,411.24x = 11,102.94 × 4,938.76
  4. Step 4: Simplify right side
    7,411.24x = 54,834,755.95
  5. Step 5: Solve for x
    x = 54,834,755.95/7,411.24
  6. Step 6: Final answer
    x = 7,398.86

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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.