Home / 10,422.94-14,385.03-5,945.66

Finding the Fourth Proportional to 10,422.94, 14,385.03 and 5,945.66

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Solution

The fourth proportional to 10,422.94, 14,385.03 and 5,945.66 is: 8,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.94 : 14,385.03 = 5,945.66 : x
  2. Step 2: Convert to fraction form
    10,422.94/14,385.03 = 5,945.66/x
  3. Step 3: Cross multiply
    10,422.94x = 14,385.03 × 5,945.66
  4. Step 4: Simplify right side
    10,422.94x = 85,528,497.47
  5. Step 5: Solve for x
    x = 85,528,497.47/10,422.94
  6. Step 6: Final answer
    x = 8,205.79

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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.