Home / 12,060.39-16,643.07-6,755.30

Finding the Fourth Proportional to 12,060.39, 16,643.07 and 6,755.30

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Solution

The fourth proportional to 12,060.39, 16,643.07 and 6,755.30 is: 9,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.39 : 16,643.07 = 6,755.30 : x
  2. Step 2: Convert to fraction form
    12,060.39/16,643.07 = 6,755.30/x
  3. Step 3: Cross multiply
    12,060.39x = 16,643.07 × 6,755.30
  4. Step 4: Simplify right side
    12,060.39x = 112,428,909.97
  5. Step 5: Solve for x
    x = 112,428,909.97/12,060.39
  6. Step 6: Final answer
    x = 9,322.16

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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.