Home / 9,724.82-13,416.62-6,369.51

Finding the Fourth Proportional to 9,724.82, 13,416.62 and 6,369.51

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Solution

The fourth proportional to 9,724.82, 13,416.62 and 6,369.51 is: 8,787.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724.82 : 13,416.62 = 6,369.51 : x
  2. Step 2: Convert to fraction form
    9,724.82/13,416.62 = 6,369.51/x
  3. Step 3: Cross multiply
    9,724.82x = 13,416.62 × 6,369.51
  4. Step 4: Simplify right side
    9,724.82x = 85,457,263.41
  5. Step 5: Solve for x
    x = 85,457,263.41/9,724.82
  6. Step 6: Final answer
    x = 8,787.54

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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.