Home / 9,370.24-12,938.37-5,790.39

Finding the Fourth Proportional to 9,370.24, 12,938.37 and 5,790.39

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Solution

The fourth proportional to 9,370.24, 12,938.37 and 5,790.39 is: 7,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.24 : 12,938.37 = 5,790.39 : x
  2. Step 2: Convert to fraction form
    9,370.24/12,938.37 = 5,790.39/x
  3. Step 3: Cross multiply
    9,370.24x = 12,938.37 × 5,790.39
  4. Step 4: Simplify right side
    9,370.24x = 74,918,138.03
  5. Step 5: Solve for x
    x = 74,918,138.03/9,370.24
  6. Step 6: Final answer
    x = 7,995.33

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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.