Home / 12,009.63-16,572.60-6,704.79

Finding the Fourth Proportional to 12,009.63, 16,572.60 and 6,704.79

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Solution

The fourth proportional to 12,009.63, 16,572.60 and 6,704.79 is: 9,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.63 : 16,572.60 = 6,704.79 : x
  2. Step 2: Convert to fraction form
    12,009.63/16,572.60 = 6,704.79/x
  3. Step 3: Cross multiply
    12,009.63x = 16,572.60 × 6,704.79
  4. Step 4: Simplify right side
    12,009.63x = 111,115,736.65
  5. Step 5: Solve for x
    x = 111,115,736.65/12,009.63
  6. Step 6: Final answer
    x = 9,252.22

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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.