Home / 12,104.74-16,704.63-7,069.17

Finding the Fourth Proportional to 12,104.74, 16,704.63 and 7,069.17

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Solution

The fourth proportional to 12,104.74, 16,704.63 and 7,069.17 is: 9,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.74 : 16,704.63 = 7,069.17 : x
  2. Step 2: Convert to fraction form
    12,104.74/16,704.63 = 7,069.17/x
  3. Step 3: Cross multiply
    12,104.74x = 16,704.63 × 7,069.17
  4. Step 4: Simplify right side
    12,104.74x = 118,087,931.90
  5. Step 5: Solve for x
    x = 118,087,931.90/12,104.74
  6. Step 6: Final answer
    x = 9,755.51

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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.