Home / 12,162.12-16,783.74-6,573.12

Finding the Fourth Proportional to 12,162.12, 16,783.74 and 6,573.12

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Solution

The fourth proportional to 12,162.12, 16,783.74 and 6,573.12 is: 9,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162.12 : 16,783.74 = 6,573.12 : x
  2. Step 2: Convert to fraction form
    12,162.12/16,783.74 = 6,573.12/x
  3. Step 3: Cross multiply
    12,162.12x = 16,783.74 × 6,573.12
  4. Step 4: Simplify right side
    12,162.12x = 110,321,537.07
  5. Step 5: Solve for x
    x = 110,321,537.07/12,162.12
  6. Step 6: Final answer
    x = 9,070.91

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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.