Home / 7,423.13-11,126.64-3,716.42

Finding the Fourth Proportional to 7,423.13, 11,126.64 and 3,716.42

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Solution

The fourth proportional to 7,423.13, 11,126.64 and 3,716.42 is: 5,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.13 : 11,126.64 = 3,716.42 : x
  2. Step 2: Convert to fraction form
    7,423.13/11,126.64 = 3,716.42/x
  3. Step 3: Cross multiply
    7,423.13x = 11,126.64 × 3,716.42
  4. Step 4: Simplify right side
    7,423.13x = 41,351,239.61
  5. Step 5: Solve for x
    x = 41,351,239.61/7,423.13
  6. Step 6: Final answer
    x = 5,570.60

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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.