Home / 9,374.64-12,919.20-6,717.43

Finding the Fourth Proportional to 9,374.64, 12,919.20 and 6,717.43

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Solution

The fourth proportional to 9,374.64, 12,919.20 and 6,717.43 is: 9,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.64 : 12,919.20 = 6,717.43 : x
  2. Step 2: Convert to fraction form
    9,374.64/12,919.20 = 6,717.43/x
  3. Step 3: Cross multiply
    9,374.64x = 12,919.20 × 6,717.43
  4. Step 4: Simplify right side
    9,374.64x = 86,783,812.61
  5. Step 5: Solve for x
    x = 86,783,812.61/9,374.64
  6. Step 6: Final answer
    x = 9,257.30

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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.