Home / 11,765.45-17,647.65-3,000.09

Finding the Fourth Proportional to 11,765.45, 17,647.65 and 3,000.09

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Solution

The fourth proportional to 11,765.45, 17,647.65 and 3,000.09 is: 4,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,765.45 : 17,647.65 = 3,000.09 : x
  2. Step 2: Convert to fraction form
    11,765.45/17,647.65 = 3,000.09/x
  3. Step 3: Cross multiply
    11,765.45x = 17,647.65 × 3,000.09
  4. Step 4: Simplify right side
    11,765.45x = 52,944,538.29
  5. Step 5: Solve for x
    x = 52,944,538.29/11,765.45
  6. Step 6: Final answer
    x = 4,500.00

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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.