Home / 7,910.24-11,861.28-4,624.28

Finding the Fourth Proportional to 7,910.24, 11,861.28 and 4,624.28

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Solution

The fourth proportional to 7,910.24, 11,861.28 and 4,624.28 is: 6,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.24 : 11,861.28 = 4,624.28 : x
  2. Step 2: Convert to fraction form
    7,910.24/11,861.28 = 4,624.28/x
  3. Step 3: Cross multiply
    7,910.24x = 11,861.28 × 4,624.28
  4. Step 4: Simplify right side
    7,910.24x = 54,849,879.88
  5. Step 5: Solve for x
    x = 54,849,879.88/7,910.24
  6. Step 6: Final answer
    x = 6,934.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.