Home / 9,225.87-12,723.80-6,078.75

Finding the Fourth Proportional to 9,225.87, 12,723.80 and 6,078.75

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Solution

The fourth proportional to 9,225.87, 12,723.80 and 6,078.75 is: 8,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,225.87 : 12,723.80 = 6,078.75 : x
  2. Step 2: Convert to fraction form
    9,225.87/12,723.80 = 6,078.75/x
  3. Step 3: Cross multiply
    9,225.87x = 12,723.80 × 6,078.75
  4. Step 4: Simplify right side
    9,225.87x = 77,344,768.86
  5. Step 5: Solve for x
    x = 77,344,768.86/9,225.87
  6. Step 6: Final answer
    x = 8,383.47

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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.