Home / 9,872.43-13,614.52-6,464.35

Finding the Fourth Proportional to 9,872.43, 13,614.52 and 6,464.35

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Solution

The fourth proportional to 9,872.43, 13,614.52 and 6,464.35 is: 8,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.43 : 13,614.52 = 6,464.35 : x
  2. Step 2: Convert to fraction form
    9,872.43/13,614.52 = 6,464.35/x
  3. Step 3: Cross multiply
    9,872.43x = 13,614.52 × 6,464.35
  4. Step 4: Simplify right side
    9,872.43x = 88,009,022.36
  5. Step 5: Solve for x
    x = 88,009,022.36/9,872.43
  6. Step 6: Final answer
    x = 8,914.63

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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.