Home / 8,357.08-11,529.30-5,372.44

Finding the Fourth Proportional to 8,357.08, 11,529.30 and 5,372.44

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Solution

The fourth proportional to 8,357.08, 11,529.30 and 5,372.44 is: 7,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.08 : 11,529.30 = 5,372.44 : x
  2. Step 2: Convert to fraction form
    8,357.08/11,529.30 = 5,372.44/x
  3. Step 3: Cross multiply
    8,357.08x = 11,529.30 × 5,372.44
  4. Step 4: Simplify right side
    8,357.08x = 61,940,472.49
  5. Step 5: Solve for x
    x = 61,940,472.49/8,357.08
  6. Step 6: Final answer
    x = 7,411.74

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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.