Home / 8,871.49-13,295.41-4,192.74

Finding the Fourth Proportional to 8,871.49, 13,295.41 and 4,192.74

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Solution

The fourth proportional to 8,871.49, 13,295.41 and 4,192.74 is: 6,283.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.49 : 13,295.41 = 4,192.74 : x
  2. Step 2: Convert to fraction form
    8,871.49/13,295.41 = 4,192.74/x
  3. Step 3: Cross multiply
    8,871.49x = 13,295.41 × 4,192.74
  4. Step 4: Simplify right side
    8,871.49x = 55,744,109.88
  5. Step 5: Solve for x
    x = 55,744,109.88/8,871.49
  6. Step 6: Final answer
    x = 6,283.52

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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.