Home / 10,716.12-14,788.32-6,242.48

Finding the Fourth Proportional to 10,716.12, 14,788.32 and 6,242.48

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Solution

The fourth proportional to 10,716.12, 14,788.32 and 6,242.48 is: 8,614.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,716.12 : 14,788.32 = 6,242.48 : x
  2. Step 2: Convert to fraction form
    10,716.12/14,788.32 = 6,242.48/x
  3. Step 3: Cross multiply
    10,716.12x = 14,788.32 × 6,242.48
  4. Step 4: Simplify right side
    10,716.12x = 92,315,791.83
  5. Step 5: Solve for x
    x = 92,315,791.83/10,716.12
  6. Step 6: Final answer
    x = 8,614.67

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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.