Home / 12,247.72-18,371.70-4,853.98

Finding the Fourth Proportional to 12,247.72, 18,371.70 and 4,853.98

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Solution

The fourth proportional to 12,247.72, 18,371.70 and 4,853.98 is: 7,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.72 : 18,371.70 = 4,853.98 : x
  2. Step 2: Convert to fraction form
    12,247.72/18,371.70 = 4,853.98/x
  3. Step 3: Cross multiply
    12,247.72x = 18,371.70 × 4,853.98
  4. Step 4: Simplify right side
    12,247.72x = 89,175,864.37
  5. Step 5: Solve for x
    x = 89,175,864.37/12,247.72
  6. Step 6: Final answer
    x = 7,281.02

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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.