Home / 7,272.12-10,908.24-4,341.60

Finding the Fourth Proportional to 7,272.12, 10,908.24 and 4,341.60

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Solution

The fourth proportional to 7,272.12, 10,908.24 and 4,341.60 is: 6,512.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.12 : 10,908.24 = 4,341.60 : x
  2. Step 2: Convert to fraction form
    7,272.12/10,908.24 = 4,341.60/x
  3. Step 3: Cross multiply
    7,272.12x = 10,908.24 × 4,341.60
  4. Step 4: Simplify right side
    7,272.12x = 47,359,214.78
  5. Step 5: Solve for x
    x = 47,359,214.78/7,272.12
  6. Step 6: Final answer
    x = 6,512.44

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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.