Home / 9,664.45-13,336.68-6,300.89

Finding the Fourth Proportional to 9,664.45, 13,336.68 and 6,300.89

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Solution

The fourth proportional to 9,664.45, 13,336.68 and 6,300.89 is: 8,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,664.45 : 13,336.68 = 6,300.89 : x
  2. Step 2: Convert to fraction form
    9,664.45/13,336.68 = 6,300.89/x
  3. Step 3: Cross multiply
    9,664.45x = 13,336.68 × 6,300.89
  4. Step 4: Simplify right side
    9,664.45x = 84,032,960.60
  5. Step 5: Solve for x
    x = 84,032,960.60/9,664.45
  6. Step 6: Final answer
    x = 8,695.06

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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.