Home / 10,917.64-15,066.36-6,201.91

Finding the Fourth Proportional to 10,917.64, 15,066.36 and 6,201.91

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Solution

The fourth proportional to 10,917.64, 15,066.36 and 6,201.91 is: 8,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.64 : 15,066.36 = 6,201.91 : x
  2. Step 2: Convert to fraction form
    10,917.64/15,066.36 = 6,201.91/x
  3. Step 3: Cross multiply
    10,917.64x = 15,066.36 × 6,201.91
  4. Step 4: Simplify right side
    10,917.64x = 93,440,208.75
  5. Step 5: Solve for x
    x = 93,440,208.75/10,917.64
  6. Step 6: Final answer
    x = 8,558.65

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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.