Home / 7,475.15-11,212.73-6,512.87

Finding the Fourth Proportional to 7,475.15, 11,212.73 and 6,512.87

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Solution

The fourth proportional to 7,475.15, 11,212.73 and 6,512.87 is: 9,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.15 : 11,212.73 = 6,512.87 : x
  2. Step 2: Convert to fraction form
    7,475.15/11,212.73 = 6,512.87/x
  3. Step 3: Cross multiply
    7,475.15x = 11,212.73 × 6,512.87
  4. Step 4: Simplify right side
    7,475.15x = 73,026,964.21
  5. Step 5: Solve for x
    x = 73,026,964.21/7,475.15
  6. Step 6: Final answer
    x = 9,769.30

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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.