Home / 10,705.15-14,772.94-5,989.43

Finding the Fourth Proportional to 10,705.15, 14,772.94 and 5,989.43

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Solution

The fourth proportional to 10,705.15, 14,772.94 and 5,989.43 is: 8,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705.15 : 14,772.94 = 5,989.43 : x
  2. Step 2: Convert to fraction form
    10,705.15/14,772.94 = 5,989.43/x
  3. Step 3: Cross multiply
    10,705.15x = 14,772.94 × 5,989.43
  4. Step 4: Simplify right side
    10,705.15x = 88,481,490.02
  5. Step 5: Solve for x
    x = 88,481,490.02/10,705.15
  6. Step 6: Final answer
    x = 8,265.32

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Double scale
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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.