Home / 7,695.20-10,622.04-4,867.29

Finding the Fourth Proportional to 7,695.20, 10,622.04 and 4,867.29

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Solution

The fourth proportional to 7,695.20, 10,622.04 and 4,867.29 is: 6,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,695.20 : 10,622.04 = 4,867.29 : x
  2. Step 2: Convert to fraction form
    7,695.20/10,622.04 = 4,867.29/x
  3. Step 3: Cross multiply
    7,695.20x = 10,622.04 × 4,867.29
  4. Step 4: Simplify right side
    7,695.20x = 51,700,530.82
  5. Step 5: Solve for x
    x = 51,700,530.82/7,695.20
  6. Step 6: Final answer
    x = 6,718.54

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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.