Home / 10,664.70-15,997.47-2,873.71

Finding the Fourth Proportional to 10,664.70, 15,997.47 and 2,873.71

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Solution

The fourth proportional to 10,664.70, 15,997.47 and 2,873.71 is: 4,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.70 : 15,997.47 = 2,873.71 : x
  2. Step 2: Convert to fraction form
    10,664.70/15,997.47 = 2,873.71/x
  3. Step 3: Cross multiply
    10,664.70x = 15,997.47 × 2,873.71
  4. Step 4: Simplify right side
    10,664.70x = 45,972,089.51
  5. Step 5: Solve for x
    x = 45,972,089.51/10,664.70
  6. Step 6: Final answer
    x = 4,310.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.