Home / 7,467.79-10,305.15-4,109.95

Finding the Fourth Proportional to 7,467.79, 10,305.15 and 4,109.95

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Solution

The fourth proportional to 7,467.79, 10,305.15 and 4,109.95 is: 5,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,467.79 : 10,305.15 = 4,109.95 : x
  2. Step 2: Convert to fraction form
    7,467.79/10,305.15 = 4,109.95/x
  3. Step 3: Cross multiply
    7,467.79x = 10,305.15 × 4,109.95
  4. Step 4: Simplify right side
    7,467.79x = 42,353,651.24
  5. Step 5: Solve for x
    x = 42,353,651.24/7,467.79
  6. Step 6: Final answer
    x = 5,671.51

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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.