Home / 7,422.02-10,247.17-6,623.97

Finding the Fourth Proportional to 7,422.02, 10,247.17 and 6,623.97

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Solution

The fourth proportional to 7,422.02, 10,247.17 and 6,623.97 is: 9,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.02 : 10,247.17 = 6,623.97 : x
  2. Step 2: Convert to fraction form
    7,422.02/10,247.17 = 6,623.97/x
  3. Step 3: Cross multiply
    7,422.02x = 10,247.17 × 6,623.97
  4. Step 4: Simplify right side
    7,422.02x = 67,876,946.66
  5. Step 5: Solve for x
    x = 67,876,946.66/7,422.02
  6. Step 6: Final answer
    x = 9,145.35

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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.