Home / 7,716.84-11,565.98-3,551.10

Finding the Fourth Proportional to 7,716.84, 11,565.98 and 3,551.10

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Solution

The fourth proportional to 7,716.84, 11,565.98 and 3,551.10 is: 5,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.84 : 11,565.98 = 3,551.10 : x
  2. Step 2: Convert to fraction form
    7,716.84/11,565.98 = 3,551.10/x
  3. Step 3: Cross multiply
    7,716.84x = 11,565.98 × 3,551.10
  4. Step 4: Simplify right side
    7,716.84x = 41,071,951.58
  5. Step 5: Solve for x
    x = 41,071,951.58/7,716.84
  6. Step 6: Final answer
    x = 5,322.38

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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.