Home / 11,140.10-16,582.86-10,974

Finding the Fourth Proportional to 11,140.10, 16,582.86 and 10,974

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Solution

The fourth proportional to 11,140.10, 16,582.86 and 10,974 is: 16,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.10 : 16,582.86 = 10,974 : x
  2. Step 2: Convert to fraction form
    11,140.10/16,582.86 = 10,974/x
  3. Step 3: Cross multiply
    11,140.10x = 16,582.86 × 10,974
  4. Step 4: Simplify right side
    11,140.10x = 181,980,305.64
  5. Step 5: Solve for x
    x = 181,980,305.64/11,140.10
  6. Step 6: Final answer
    x = 16,335.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.