Home / 8,970.68-13,447.82-3,776.92

Finding the Fourth Proportional to 8,970.68, 13,447.82 and 3,776.92

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Solution

The fourth proportional to 8,970.68, 13,447.82 and 3,776.92 is: 5,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.68 : 13,447.82 = 3,776.92 : x
  2. Step 2: Convert to fraction form
    8,970.68/13,447.82 = 3,776.92/x
  3. Step 3: Cross multiply
    8,970.68x = 13,447.82 × 3,776.92
  4. Step 4: Simplify right side
    8,970.68x = 50,791,340.31
  5. Step 5: Solve for x
    x = 50,791,340.31/8,970.68
  6. Step 6: Final answer
    x = 5,661.93

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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.