Home / 35,789.58-53,684.31-9,135.56

Finding the Fourth Proportional to 35,789.58, 53,684.31 and 9,135.56

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Solution

The fourth proportional to 35,789.58, 53,684.31 and 9,135.56 is: 13,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,789.58 : 53,684.31 = 9,135.56 : x
  2. Step 2: Convert to fraction form
    35,789.58/53,684.31 = 9,135.56/x
  3. Step 3: Cross multiply
    35,789.58x = 53,684.31 × 9,135.56
  4. Step 4: Simplify right side
    35,789.58x = 490,436,250.96
  5. Step 5: Solve for x
    x = 490,436,250.96/35,789.58
  6. Step 6: Final answer
    x = 13,703.33

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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.