Home / 8,953.44-12,357.12-5,227.36

Finding the Fourth Proportional to 8,953.44, 12,357.12 and 5,227.36

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Solution

The fourth proportional to 8,953.44, 12,357.12 and 5,227.36 is: 7,214.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,953.44 : 12,357.12 = 5,227.36 : x
  2. Step 2: Convert to fraction form
    8,953.44/12,357.12 = 5,227.36/x
  3. Step 3: Cross multiply
    8,953.44x = 12,357.12 × 5,227.36
  4. Step 4: Simplify right side
    8,953.44x = 64,595,114.80
  5. Step 5: Solve for x
    x = 64,595,114.80/8,953.44
  6. Step 6: Final answer
    x = 7,214.56

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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.