Home / 8,586.45-11,849.49-4,809.89

Finding the Fourth Proportional to 8,586.45, 11,849.49 and 4,809.89

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Solution

The fourth proportional to 8,586.45, 11,849.49 and 4,809.89 is: 6,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586.45 : 11,849.49 = 4,809.89 : x
  2. Step 2: Convert to fraction form
    8,586.45/11,849.49 = 4,809.89/x
  3. Step 3: Cross multiply
    8,586.45x = 11,849.49 × 4,809.89
  4. Step 4: Simplify right side
    8,586.45x = 56,994,773.08
  5. Step 5: Solve for x
    x = 56,994,773.08/8,586.45
  6. Step 6: Final answer
    x = 6,637.76

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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.