Home / 9,401.32-12,974.34-6,255.40

Finding the Fourth Proportional to 9,401.32, 12,974.34 and 6,255.40

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Solution

The fourth proportional to 9,401.32, 12,974.34 and 6,255.40 is: 8,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.32 : 12,974.34 = 6,255.40 : x
  2. Step 2: Convert to fraction form
    9,401.32/12,974.34 = 6,255.40/x
  3. Step 3: Cross multiply
    9,401.32x = 12,974.34 × 6,255.40
  4. Step 4: Simplify right side
    9,401.32x = 81,159,686.44
  5. Step 5: Solve for x
    x = 81,159,686.44/9,401.32
  6. Step 6: Final answer
    x = 8,632.80

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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.