Home / 9,949.01-13,730.94-6,422.46

Finding the Fourth Proportional to 9,949.01, 13,730.94 and 6,422.46

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Solution

The fourth proportional to 9,949.01, 13,730.94 and 6,422.46 is: 8,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.01 : 13,730.94 = 6,422.46 : x
  2. Step 2: Convert to fraction form
    9,949.01/13,730.94 = 6,422.46/x
  3. Step 3: Cross multiply
    9,949.01x = 13,730.94 × 6,422.46
  4. Step 4: Simplify right side
    9,949.01x = 88,186,412.91
  5. Step 5: Solve for x
    x = 88,186,412.91/9,949.01
  6. Step 6: Final answer
    x = 8,863.84

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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.