Home / 8,110.98-12,188.34-4,606.31

Finding the Fourth Proportional to 8,110.98, 12,188.34 and 4,606.31

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Solution

The fourth proportional to 8,110.98, 12,188.34 and 4,606.31 is: 6,921.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.98 : 12,188.34 = 4,606.31 : x
  2. Step 2: Convert to fraction form
    8,110.98/12,188.34 = 4,606.31/x
  3. Step 3: Cross multiply
    8,110.98x = 12,188.34 × 4,606.31
  4. Step 4: Simplify right side
    8,110.98x = 56,143,302.90
  5. Step 5: Solve for x
    x = 56,143,302.90/8,110.98
  6. Step 6: Final answer
    x = 6,921.89

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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.