Home / 12,754.22-19,137.09-6,511.01

Finding the Fourth Proportional to 12,754.22, 19,137.09 and 6,511.01

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Solution

The fourth proportional to 12,754.22, 19,137.09 and 6,511.01 is: 9,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.22 : 19,137.09 = 6,511.01 : x
  2. Step 2: Convert to fraction form
    12,754.22/19,137.09 = 6,511.01/x
  3. Step 3: Cross multiply
    12,754.22x = 19,137.09 × 6,511.01
  4. Step 4: Simplify right side
    12,754.22x = 124,601,688.68
  5. Step 5: Solve for x
    x = 124,601,688.68/12,754.22
  6. Step 6: Final answer
    x = 9,769.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.