Home / 9,414.90-12,994.02-6,771.06

Finding the Fourth Proportional to 9,414.90, 12,994.02 and 6,771.06

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Solution

The fourth proportional to 9,414.90, 12,994.02 and 6,771.06 is: 9,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.90 : 12,994.02 = 6,771.06 : x
  2. Step 2: Convert to fraction form
    9,414.90/12,994.02 = 6,771.06/x
  3. Step 3: Cross multiply
    9,414.90x = 12,994.02 × 6,771.06
  4. Step 4: Simplify right side
    9,414.90x = 87,983,289.06
  5. Step 5: Solve for x
    x = 87,983,289.06/9,414.90
  6. Step 6: Final answer
    x = 9,345.11

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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.