Home / 10,705.92-14,771.79-6,725.58

Finding the Fourth Proportional to 10,705.92, 14,771.79 and 6,725.58

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Solution

The fourth proportional to 10,705.92, 14,771.79 and 6,725.58 is: 9,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705.92 : 14,771.79 = 6,725.58 : x
  2. Step 2: Convert to fraction form
    10,705.92/14,771.79 = 6,725.58/x
  3. Step 3: Cross multiply
    10,705.92x = 14,771.79 × 6,725.58
  4. Step 4: Simplify right side
    10,705.92x = 99,348,855.39
  5. Step 5: Solve for x
    x = 99,348,855.39/10,705.92
  6. Step 6: Final answer
    x = 9,279.81

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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.