Home / 7,716.92-11,575.29-1,873.53

Finding the Fourth Proportional to 7,716.92, 11,575.29 and 1,873.53

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Solution

The fourth proportional to 7,716.92, 11,575.29 and 1,873.53 is: 2,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.92 : 11,575.29 = 1,873.53 : x
  2. Step 2: Convert to fraction form
    7,716.92/11,575.29 = 1,873.53/x
  3. Step 3: Cross multiply
    7,716.92x = 11,575.29 × 1,873.53
  4. Step 4: Simplify right side
    7,716.92x = 21,686,609.67
  5. Step 5: Solve for x
    x = 21,686,609.67/7,716.92
  6. Step 6: Final answer
    x = 2,810.27

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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.