Home / 10,672.71-14,728.53-6,198.94

Finding the Fourth Proportional to 10,672.71, 14,728.53 and 6,198.94

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Solution

The fourth proportional to 10,672.71, 14,728.53 and 6,198.94 is: 8,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.71 : 14,728.53 = 6,198.94 : x
  2. Step 2: Convert to fraction form
    10,672.71/14,728.53 = 6,198.94/x
  3. Step 3: Cross multiply
    10,672.71x = 14,728.53 × 6,198.94
  4. Step 4: Simplify right side
    10,672.71x = 91,301,273.76
  5. Step 5: Solve for x
    x = 91,301,273.76/10,672.71
  6. Step 6: Final answer
    x = 8,554.65

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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.