Home / 7,401.24-11,101.94-4,279.36

Finding the Fourth Proportional to 7,401.24, 11,101.94 and 4,279.36

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Solution

The fourth proportional to 7,401.24, 11,101.94 and 4,279.36 is: 6,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,401.24 : 11,101.94 = 4,279.36 : x
  2. Step 2: Convert to fraction form
    7,401.24/11,101.94 = 4,279.36/x
  3. Step 3: Cross multiply
    7,401.24x = 11,101.94 × 4,279.36
  4. Step 4: Simplify right side
    7,401.24x = 47,509,178.52
  5. Step 5: Solve for x
    x = 47,509,178.52/7,401.24
  6. Step 6: Final answer
    x = 6,419.08

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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.