Home / 10,313.24-14,221.50-6,120.68

Finding the Fourth Proportional to 10,313.24, 14,221.50 and 6,120.68

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Solution

The fourth proportional to 10,313.24, 14,221.50 and 6,120.68 is: 8,440.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,313.24 : 14,221.50 = 6,120.68 : x
  2. Step 2: Convert to fraction form
    10,313.24/14,221.50 = 6,120.68/x
  3. Step 3: Cross multiply
    10,313.24x = 14,221.50 × 6,120.68
  4. Step 4: Simplify right side
    10,313.24x = 87,045,250.62
  5. Step 5: Solve for x
    x = 87,045,250.62/10,313.24
  6. Step 6: Final answer
    x = 8,440.15

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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.