Home / 10,278.09-14,183.78-5,562.36

Finding the Fourth Proportional to 10,278.09, 14,183.78 and 5,562.36

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Solution

The fourth proportional to 10,278.09, 14,183.78 and 5,562.36 is: 7,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.09 : 14,183.78 = 5,562.36 : x
  2. Step 2: Convert to fraction form
    10,278.09/14,183.78 = 5,562.36/x
  3. Step 3: Cross multiply
    10,278.09x = 14,183.78 × 5,562.36
  4. Step 4: Simplify right side
    10,278.09x = 78,895,262.71
  5. Step 5: Solve for x
    x = 78,895,262.71/10,278.09
  6. Step 6: Final answer
    x = 7,676.06

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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.