Home / 12,064.41-18,102.69-6,805.28

Finding the Fourth Proportional to 12,064.41, 18,102.69 and 6,805.28

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Solution

The fourth proportional to 12,064.41, 18,102.69 and 6,805.28 is: 10,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,064.41 : 18,102.69 = 6,805.28 : x
  2. Step 2: Convert to fraction form
    12,064.41/18,102.69 = 6,805.28/x
  3. Step 3: Cross multiply
    12,064.41x = 18,102.69 × 6,805.28
  4. Step 4: Simplify right side
    12,064.41x = 123,193,919.46
  5. Step 5: Solve for x
    x = 123,193,919.46/12,064.41
  6. Step 6: Final answer
    x = 10,211.35

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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.