Home / 8,951.41-13,426.05-2,378.10

Finding the Fourth Proportional to 8,951.41, 13,426.05 and 2,378.10

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Solution

The fourth proportional to 8,951.41, 13,426.05 and 2,378.10 is: 3,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.41 : 13,426.05 = 2,378.10 : x
  2. Step 2: Convert to fraction form
    8,951.41/13,426.05 = 2,378.10/x
  3. Step 3: Cross multiply
    8,951.41x = 13,426.05 × 2,378.10
  4. Step 4: Simplify right side
    8,951.41x = 31,928,489.51
  5. Step 5: Solve for x
    x = 31,928,489.51/8,951.41
  6. Step 6: Final answer
    x = 3,566.87

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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.