Home / 12,297.24-18,431.10-4,501.80

Finding the Fourth Proportional to 12,297.24, 18,431.10 and 4,501.80

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Solution

The fourth proportional to 12,297.24, 18,431.10 and 4,501.80 is: 6,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297.24 : 18,431.10 = 4,501.80 : x
  2. Step 2: Convert to fraction form
    12,297.24/18,431.10 = 4,501.80/x
  3. Step 3: Cross multiply
    12,297.24x = 18,431.10 × 4,501.80
  4. Step 4: Simplify right side
    12,297.24x = 82,973,125.98
  5. Step 5: Solve for x
    x = 82,973,125.98/12,297.24
  6. Step 6: Final answer
    x = 6,747.30

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1.5x scale

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.