Home / 9,924.39-13,700.34-6,393.60

Finding the Fourth Proportional to 9,924.39, 13,700.34 and 6,393.60

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Solution

The fourth proportional to 9,924.39, 13,700.34 and 6,393.60 is: 8,826.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,924.39 : 13,700.34 = 6,393.60 : x
  2. Step 2: Convert to fraction form
    9,924.39/13,700.34 = 6,393.60/x
  3. Step 3: Cross multiply
    9,924.39x = 13,700.34 × 6,393.60
  4. Step 4: Simplify right side
    9,924.39x = 87,594,493.82
  5. Step 5: Solve for x
    x = 87,594,493.82/9,924.39
  6. Step 6: Final answer
    x = 8,826.18

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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.