Home / 8,849.97-12,212.93-4,871.09

Finding the Fourth Proportional to 8,849.97, 12,212.93 and 4,871.09

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Solution

The fourth proportional to 8,849.97, 12,212.93 and 4,871.09 is: 6,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.97 : 12,212.93 = 4,871.09 : x
  2. Step 2: Convert to fraction form
    8,849.97/12,212.93 = 4,871.09/x
  3. Step 3: Cross multiply
    8,849.97x = 12,212.93 × 4,871.09
  4. Step 4: Simplify right side
    8,849.97x = 59,490,220.13
  5. Step 5: Solve for x
    x = 59,490,220.13/8,849.97
  6. Step 6: Final answer
    x = 6,722.08

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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.