Home / 12,467.63-17,205.52-7,089.92

Finding the Fourth Proportional to 12,467.63, 17,205.52 and 7,089.92

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Solution

The fourth proportional to 12,467.63, 17,205.52 and 7,089.92 is: 9,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467.63 : 17,205.52 = 7,089.92 : x
  2. Step 2: Convert to fraction form
    12,467.63/17,205.52 = 7,089.92/x
  3. Step 3: Cross multiply
    12,467.63x = 17,205.52 × 7,089.92
  4. Step 4: Simplify right side
    12,467.63x = 121,985,824.09
  5. Step 5: Solve for x
    x = 121,985,824.09/12,467.63
  6. Step 6: Final answer
    x = 9,784.21

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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.