Home / 10,917.75-15,066.51-5,949.75

Finding the Fourth Proportional to 10,917.75, 15,066.51 and 5,949.75

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Solution

The fourth proportional to 10,917.75, 15,066.51 and 5,949.75 is: 8,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.75 : 15,066.51 = 5,949.75 : x
  2. Step 2: Convert to fraction form
    10,917.75/15,066.51 = 5,949.75/x
  3. Step 3: Cross multiply
    10,917.75x = 15,066.51 × 5,949.75
  4. Step 4: Simplify right side
    10,917.75x = 89,641,967.87
  5. Step 5: Solve for x
    x = 89,641,967.87/10,917.75
  6. Step 6: Final answer
    x = 8,210.66

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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.