Home / 9,372.94-12,935.77-5,394.02

Finding the Fourth Proportional to 9,372.94, 12,935.77 and 5,394.02

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Solution

The fourth proportional to 9,372.94, 12,935.77 and 5,394.02 is: 7,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.94 : 12,935.77 = 5,394.02 : x
  2. Step 2: Convert to fraction form
    9,372.94/12,935.77 = 5,394.02/x
  3. Step 3: Cross multiply
    9,372.94x = 12,935.77 × 5,394.02
  4. Step 4: Simplify right side
    9,372.94x = 69,775,723.93
  5. Step 5: Solve for x
    x = 69,775,723.93/9,372.94
  6. Step 6: Final answer
    x = 7,444.38

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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.