Home / 12,338.60-17,028.42-7,032.36

Finding the Fourth Proportional to 12,338.60, 17,028.42 and 7,032.36

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Solution

The fourth proportional to 12,338.60, 17,028.42 and 7,032.36 is: 9,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,338.60 : 17,028.42 = 7,032.36 : x
  2. Step 2: Convert to fraction form
    12,338.60/17,028.42 = 7,032.36/x
  3. Step 3: Cross multiply
    12,338.60x = 17,028.42 × 7,032.36
  4. Step 4: Simplify right side
    12,338.60x = 119,749,979.67
  5. Step 5: Solve for x
    x = 119,749,979.67/12,338.60
  6. Step 6: Final answer
    x = 9,705.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.