Home / 11,917.04-16,443.12-7,201.58

Finding the Fourth Proportional to 11,917.04, 16,443.12 and 7,201.58

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Solution

The fourth proportional to 11,917.04, 16,443.12 and 7,201.58 is: 9,936.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.04 : 16,443.12 = 7,201.58 : x
  2. Step 2: Convert to fraction form
    11,917.04/16,443.12 = 7,201.58/x
  3. Step 3: Cross multiply
    11,917.04x = 16,443.12 × 7,201.58
  4. Step 4: Simplify right side
    11,917.04x = 118,416,444.13
  5. Step 5: Solve for x
    x = 118,416,444.13/11,917.04
  6. Step 6: Final answer
    x = 9,936.73

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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.