Home / 10,716.98-14,789.12-6,242.27

Finding the Fourth Proportional to 10,716.98, 14,789.12 and 6,242.27

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Solution

The fourth proportional to 10,716.98, 14,789.12 and 6,242.27 is: 8,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.98 : 14,789.12 = 6,242.27 : x
  2. Step 2: Convert to fraction form
    10,716.98/14,789.12 = 6,242.27/x
  3. Step 3: Cross multiply
    10,716.98x = 14,789.12 × 6,242.27
  4. Step 4: Simplify right side
    10,716.98x = 92,317,574.95
  5. Step 5: Solve for x
    x = 92,317,574.95/10,716.98
  6. Step 6: Final answer
    x = 8,614.14

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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.