Home / 7,799.56-11,699.50-2,605.48

Finding the Fourth Proportional to 7,799.56, 11,699.50 and 2,605.48

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Solution

The fourth proportional to 7,799.56, 11,699.50 and 2,605.48 is: 3,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.56 : 11,699.50 = 2,605.48 : x
  2. Step 2: Convert to fraction form
    7,799.56/11,699.50 = 2,605.48/x
  3. Step 3: Cross multiply
    7,799.56x = 11,699.50 × 2,605.48
  4. Step 4: Simplify right side
    7,799.56x = 30,482,813.26
  5. Step 5: Solve for x
    x = 30,482,813.26/7,799.56
  6. Step 6: Final answer
    x = 3,908.27

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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.