Home / 12,702.68-19,065.84-6,467.36

Finding the Fourth Proportional to 12,702.68, 19,065.84 and 6,467.36

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Solution

The fourth proportional to 12,702.68, 19,065.84 and 6,467.36 is: 9,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.68 : 19,065.84 = 6,467.36 : x
  2. Step 2: Convert to fraction form
    12,702.68/19,065.84 = 6,467.36/x
  3. Step 3: Cross multiply
    12,702.68x = 19,065.84 × 6,467.36
  4. Step 4: Simplify right side
    12,702.68x = 123,305,531.40
  5. Step 5: Solve for x
    x = 123,305,531.40/12,702.68
  6. Step 6: Final answer
    x = 9,707.05

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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.