Home / 7,666.54-11,514.40-4,765.12

Finding the Fourth Proportional to 7,666.54, 11,514.40 and 4,765.12

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Solution

The fourth proportional to 7,666.54, 11,514.40 and 4,765.12 is: 7,156.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.54 : 11,514.40 = 4,765.12 : x
  2. Step 2: Convert to fraction form
    7,666.54/11,514.40 = 4,765.12/x
  3. Step 3: Cross multiply
    7,666.54x = 11,514.40 × 4,765.12
  4. Step 4: Simplify right side
    7,666.54x = 54,867,497.73
  5. Step 5: Solve for x
    x = 54,867,497.73/7,666.54
  6. Step 6: Final answer
    x = 7,156.75

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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.