Home / 12,060.08-16,643.24-6,754.78

Finding the Fourth Proportional to 12,060.08, 16,643.24 and 6,754.78

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Solution

The fourth proportional to 12,060.08, 16,643.24 and 6,754.78 is: 9,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.08 : 16,643.24 = 6,754.78 : x
  2. Step 2: Convert to fraction form
    12,060.08/16,643.24 = 6,754.78/x
  3. Step 3: Cross multiply
    12,060.08x = 16,643.24 × 6,754.78
  4. Step 4: Simplify right side
    12,060.08x = 112,421,424.69
  5. Step 5: Solve for x
    x = 112,421,424.69/12,060.08
  6. Step 6: Final answer
    x = 9,321.78

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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.