Home / 7,566.21-11,345.81-4,186.73

Finding the Fourth Proportional to 7,566.21, 11,345.81 and 4,186.73

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Solution

The fourth proportional to 7,566.21, 11,345.81 and 4,186.73 is: 6,278.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,566.21 : 11,345.81 = 4,186.73 : x
  2. Step 2: Convert to fraction form
    7,566.21/11,345.81 = 4,186.73/x
  3. Step 3: Cross multiply
    7,566.21x = 11,345.81 × 4,186.73
  4. Step 4: Simplify right side
    7,566.21x = 47,501,796.84
  5. Step 5: Solve for x
    x = 47,501,796.84/7,566.21
  6. Step 6: Final answer
    x = 6,278.15

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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.