Home / 7,063.07-9,747.14-3,919.46

Finding the Fourth Proportional to 7,063.07, 9,747.14 and 3,919.46

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Solution

The fourth proportional to 7,063.07, 9,747.14 and 3,919.46 is: 5,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.07 : 9,747.14 = 3,919.46 : x
  2. Step 2: Convert to fraction form
    7,063.07/9,747.14 = 3,919.46/x
  3. Step 3: Cross multiply
    7,063.07x = 9,747.14 × 3,919.46
  4. Step 4: Simplify right side
    7,063.07x = 38,203,457.01
  5. Step 5: Solve for x
    x = 38,203,457.01/7,063.07
  6. Step 6: Final answer
    x = 5,408.91

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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.