Home / 8,466.35-11,679.84-5,107.29

Finding the Fourth Proportional to 8,466.35, 11,679.84 and 5,107.29

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Solution

The fourth proportional to 8,466.35, 11,679.84 and 5,107.29 is: 7,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.35 : 11,679.84 = 5,107.29 : x
  2. Step 2: Convert to fraction form
    8,466.35/11,679.84 = 5,107.29/x
  3. Step 3: Cross multiply
    8,466.35x = 11,679.84 × 5,107.29
  4. Step 4: Simplify right side
    8,466.35x = 59,652,330.03
  5. Step 5: Solve for x
    x = 59,652,330.03/8,466.35
  6. Step 6: Final answer
    x = 7,045.82

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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.