Home / 7,861.14-11,790.36-2,314.35

Finding the Fourth Proportional to 7,861.14, 11,790.36 and 2,314.35

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Solution

The fourth proportional to 7,861.14, 11,790.36 and 2,314.35 is: 3,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.14 : 11,790.36 = 2,314.35 : x
  2. Step 2: Convert to fraction form
    7,861.14/11,790.36 = 2,314.35/x
  3. Step 3: Cross multiply
    7,861.14x = 11,790.36 × 2,314.35
  4. Step 4: Simplify right side
    7,861.14x = 27,287,019.67
  5. Step 5: Solve for x
    x = 27,287,019.67/7,861.14
  6. Step 6: Final answer
    x = 3,471.13

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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.