Home / 12,619.84-17,416.14-6,954.57

Finding the Fourth Proportional to 12,619.84, 17,416.14 and 6,954.57

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Solution

The fourth proportional to 12,619.84, 17,416.14 and 6,954.57 is: 9,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,619.84 : 17,416.14 = 6,954.57 : x
  2. Step 2: Convert to fraction form
    12,619.84/17,416.14 = 6,954.57/x
  3. Step 3: Cross multiply
    12,619.84x = 17,416.14 × 6,954.57
  4. Step 4: Simplify right side
    12,619.84x = 121,121,764.76
  5. Step 5: Solve for x
    x = 121,121,764.76/12,619.84
  6. Step 6: Final answer
    x = 9,597.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.