Home / 10,897.24-15,039.30-6,422.43

Finding the Fourth Proportional to 10,897.24, 15,039.30 and 6,422.43

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Solution

The fourth proportional to 10,897.24, 15,039.30 and 6,422.43 is: 8,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,897.24 : 15,039.30 = 6,422.43 : x
  2. Step 2: Convert to fraction form
    10,897.24/15,039.30 = 6,422.43/x
  3. Step 3: Cross multiply
    10,897.24x = 15,039.30 × 6,422.43
  4. Step 4: Simplify right side
    10,897.24x = 96,588,887.54
  5. Step 5: Solve for x
    x = 96,588,887.54/10,897.24
  6. Step 6: Final answer
    x = 8,863.61

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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.