Home / 7,716.30-11,575.08-3,502.14

Finding the Fourth Proportional to 7,716.30, 11,575.08 and 3,502.14

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Solution

The fourth proportional to 7,716.30, 11,575.08 and 3,502.14 is: 5,253.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.30 : 11,575.08 = 3,502.14 : x
  2. Step 2: Convert to fraction form
    7,716.30/11,575.08 = 3,502.14/x
  3. Step 3: Cross multiply
    7,716.30x = 11,575.08 × 3,502.14
  4. Step 4: Simplify right side
    7,716.30x = 40,537,550.67
  5. Step 5: Solve for x
    x = 40,537,550.67/7,716.30
  6. Step 6: Final answer
    x = 5,253.50

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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.