Home / 10,665.03-14,716.07-6,187.86

Finding the Fourth Proportional to 10,665.03, 14,716.07 and 6,187.86

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Solution

The fourth proportional to 10,665.03, 14,716.07 and 6,187.86 is: 8,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.03 : 14,716.07 = 6,187.86 : x
  2. Step 2: Convert to fraction form
    10,665.03/14,716.07 = 6,187.86/x
  3. Step 3: Cross multiply
    10,665.03x = 14,716.07 × 6,187.86
  4. Step 4: Simplify right side
    10,665.03x = 91,060,949.97
  5. Step 5: Solve for x
    x = 91,060,949.97/10,665.03
  6. Step 6: Final answer
    x = 8,538.27

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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.