Home / 8,954.44-12,358.50-5,228.36

Finding the Fourth Proportional to 8,954.44, 12,358.50 and 5,228.36

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Solution

The fourth proportional to 8,954.44, 12,358.50 and 5,228.36 is: 7,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.44 : 12,358.50 = 5,228.36 : x
  2. Step 2: Convert to fraction form
    8,954.44/12,358.50 = 5,228.36/x
  3. Step 3: Cross multiply
    8,954.44x = 12,358.50 × 5,228.36
  4. Step 4: Simplify right side
    8,954.44x = 64,614,687.06
  5. Step 5: Solve for x
    x = 64,614,687.06/8,954.44
  6. Step 6: Final answer
    x = 7,215.94

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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.