Home / 7,356.99-10,153.09-4,170.42

Finding the Fourth Proportional to 7,356.99, 10,153.09 and 4,170.42

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Solution

The fourth proportional to 7,356.99, 10,153.09 and 4,170.42 is: 5,755.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.99 : 10,153.09 = 4,170.42 : x
  2. Step 2: Convert to fraction form
    7,356.99/10,153.09 = 4,170.42/x
  3. Step 3: Cross multiply
    7,356.99x = 10,153.09 × 4,170.42
  4. Step 4: Simplify right side
    7,356.99x = 42,342,631.35
  5. Step 5: Solve for x
    x = 42,342,631.35/7,356.99
  6. Step 6: Final answer
    x = 5,755.43

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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.