Home / 12,351.22-17,044.34-7,045.72

Finding the Fourth Proportional to 12,351.22, 17,044.34 and 7,045.72

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Solution

The fourth proportional to 12,351.22, 17,044.34 and 7,045.72 is: 9,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.22 : 17,044.34 = 7,045.72 : x
  2. Step 2: Convert to fraction form
    12,351.22/17,044.34 = 7,045.72/x
  3. Step 3: Cross multiply
    12,351.22x = 17,044.34 × 7,045.72
  4. Step 4: Simplify right side
    12,351.22x = 120,089,647.22
  5. Step 5: Solve for x
    x = 120,089,647.22/12,351.22
  6. Step 6: Final answer
    x = 9,722.90

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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.