Home / 12,468.12-17,180.04-8,482.32

Finding the Fourth Proportional to 12,468.12, 17,180.04 and 8,482.32

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Solution

The fourth proportional to 12,468.12, 17,180.04 and 8,482.32 is: 11,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.12 : 17,180.04 = 8,482.32 : x
  2. Step 2: Convert to fraction form
    12,468.12/17,180.04 = 8,482.32/x
  3. Step 3: Cross multiply
    12,468.12x = 17,180.04 × 8,482.32
  4. Step 4: Simplify right side
    12,468.12x = 145,726,596.89
  5. Step 5: Solve for x
    x = 145,726,596.89/12,468.12
  6. Step 6: Final answer
    x = 11,687.94

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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.