Home / 9,226.85-12,728.70-6,040.20

Finding the Fourth Proportional to 9,226.85, 12,728.70 and 6,040.20

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Solution

The fourth proportional to 9,226.85, 12,728.70 and 6,040.20 is: 8,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,226.85 : 12,728.70 = 6,040.20 : x
  2. Step 2: Convert to fraction form
    9,226.85/12,728.70 = 6,040.20/x
  3. Step 3: Cross multiply
    9,226.85x = 12,728.70 × 6,040.20
  4. Step 4: Simplify right side
    9,226.85x = 76,883,893.74
  5. Step 5: Solve for x
    x = 76,883,893.74/9,226.85
  6. Step 6: Final answer
    x = 8,332.63

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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.