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Finding the Fourth Proportional to 12,059.86, 16,643.68 and 6,754.64

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Solution

The fourth proportional to 12,059.86, 16,643.68 and 6,754.64 is: 9,322.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059.86 : 16,643.68 = 6,754.64 : x
  2. Step 2: Convert to fraction form
    12,059.86/16,643.68 = 6,754.64/x
  3. Step 3: Cross multiply
    12,059.86x = 16,643.68 × 6,754.64
  4. Step 4: Simplify right side
    12,059.86x = 112,422,060.19
  5. Step 5: Solve for x
    x = 112,422,060.19/12,059.86
  6. Step 6: Final answer
    x = 9,322.00

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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.