Home / 10,864.56-16,291.92-7,360.56

Finding the Fourth Proportional to 10,864.56, 16,291.92 and 7,360.56

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Solution

The fourth proportional to 10,864.56, 16,291.92 and 7,360.56 is: 11,037.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.56 : 16,291.92 = 7,360.56 : x
  2. Step 2: Convert to fraction form
    10,864.56/16,291.92 = 7,360.56/x
  3. Step 3: Cross multiply
    10,864.56x = 16,291.92 × 7,360.56
  4. Step 4: Simplify right side
    10,864.56x = 119,917,654.68
  5. Step 5: Solve for x
    x = 119,917,654.68/10,864.56
  6. Step 6: Final answer
    x = 11,037.51

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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.