Home / 10,999.14-15,179.76-6,284.94

Finding the Fourth Proportional to 10,999.14, 15,179.76 and 6,284.94

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Solution

The fourth proportional to 10,999.14, 15,179.76 and 6,284.94 is: 8,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.14 : 15,179.76 = 6,284.94 : x
  2. Step 2: Convert to fraction form
    10,999.14/15,179.76 = 6,284.94/x
  3. Step 3: Cross multiply
    10,999.14x = 15,179.76 × 6,284.94
  4. Step 4: Simplify right side
    10,999.14x = 95,403,880.81
  5. Step 5: Solve for x
    x = 95,403,880.81/10,999.14
  6. Step 6: Final answer
    x = 8,673.76

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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.