Home / 7,475.40-11,193.66-3,995.64

Finding the Fourth Proportional to 7,475.40, 11,193.66 and 3,995.64

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Solution

The fourth proportional to 7,475.40, 11,193.66 and 3,995.64 is: 5,983.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.40 : 11,193.66 = 3,995.64 : x
  2. Step 2: Convert to fraction form
    7,475.40/11,193.66 = 3,995.64/x
  3. Step 3: Cross multiply
    7,475.40x = 11,193.66 × 3,995.64
  4. Step 4: Simplify right side
    7,475.40x = 44,725,835.64
  5. Step 5: Solve for x
    x = 44,725,835.64/7,475.40
  6. Step 6: Final answer
    x = 5,983.07

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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.