Home / 12,523.06-18,772.23-6,979.01

Finding the Fourth Proportional to 12,523.06, 18,772.23 and 6,979.01

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Solution

The fourth proportional to 12,523.06, 18,772.23 and 6,979.01 is: 10,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.06 : 18,772.23 = 6,979.01 : x
  2. Step 2: Convert to fraction form
    12,523.06/18,772.23 = 6,979.01/x
  3. Step 3: Cross multiply
    12,523.06x = 18,772.23 × 6,979.01
  4. Step 4: Simplify right side
    12,523.06x = 131,011,580.89
  5. Step 5: Solve for x
    x = 131,011,580.89/12,523.06
  6. Step 6: Final answer
    x = 10,461.63

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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.