Home / 7,475.08-11,222.70-3,968.20

Finding the Fourth Proportional to 7,475.08, 11,222.70 and 3,968.20

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Solution

The fourth proportional to 7,475.08, 11,222.70 and 3,968.20 is: 5,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.08 : 11,222.70 = 3,968.20 : x
  2. Step 2: Convert to fraction form
    7,475.08/11,222.70 = 3,968.20/x
  3. Step 3: Cross multiply
    7,475.08x = 11,222.70 × 3,968.20
  4. Step 4: Simplify right side
    7,475.08x = 44,533,918.14
  5. Step 5: Solve for x
    x = 44,533,918.14/7,475.08
  6. Step 6: Final answer
    x = 5,957.65

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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.