Home / 7,406.08-11,114.96-3,455.32

Finding the Fourth Proportional to 7,406.08, 11,114.96 and 3,455.32

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Solution

The fourth proportional to 7,406.08, 11,114.96 and 3,455.32 is: 5,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.08 : 11,114.96 = 3,455.32 : x
  2. Step 2: Convert to fraction form
    7,406.08/11,114.96 = 3,455.32/x
  3. Step 3: Cross multiply
    7,406.08x = 11,114.96 × 3,455.32
  4. Step 4: Simplify right side
    7,406.08x = 38,405,743.59
  5. Step 5: Solve for x
    x = 38,405,743.59/7,406.08
  6. Step 6: Final answer
    x = 5,185.70

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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.