Home / 7,414.58-11,125.16-3,903.72

Finding the Fourth Proportional to 7,414.58, 11,125.16 and 3,903.72

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Solution

The fourth proportional to 7,414.58, 11,125.16 and 3,903.72 is: 5,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,414.58 : 11,125.16 = 3,903.72 : x
  2. Step 2: Convert to fraction form
    7,414.58/11,125.16 = 3,903.72/x
  3. Step 3: Cross multiply
    7,414.58x = 11,125.16 × 3,903.72
  4. Step 4: Simplify right side
    7,414.58x = 43,429,509.60
  5. Step 5: Solve for x
    x = 43,429,509.60/7,414.58
  6. Step 6: Final answer
    x = 5,857.31

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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.