Home / 7,153.76-9,872.34-4,010.96

Finding the Fourth Proportional to 7,153.76, 9,872.34 and 4,010.96

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Solution

The fourth proportional to 7,153.76, 9,872.34 and 4,010.96 is: 5,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.76 : 9,872.34 = 4,010.96 : x
  2. Step 2: Convert to fraction form
    7,153.76/9,872.34 = 4,010.96/x
  3. Step 3: Cross multiply
    7,153.76x = 9,872.34 × 4,010.96
  4. Step 4: Simplify right side
    7,153.76x = 39,597,560.85
  5. Step 5: Solve for x
    x = 39,597,560.85/7,153.76
  6. Step 6: Final answer
    x = 5,535.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.