Home / 8,947.14-13,400.27-4,270.44

Finding the Fourth Proportional to 8,947.14, 13,400.27 and 4,270.44

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Solution

The fourth proportional to 8,947.14, 13,400.27 and 4,270.44 is: 6,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.14 : 13,400.27 = 4,270.44 : x
  2. Step 2: Convert to fraction form
    8,947.14/13,400.27 = 4,270.44/x
  3. Step 3: Cross multiply
    8,947.14x = 13,400.27 × 4,270.44
  4. Step 4: Simplify right side
    8,947.14x = 57,225,018.56
  5. Step 5: Solve for x
    x = 57,225,018.56/8,947.14
  6. Step 6: Final answer
    x = 6,395.90

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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.