Home / 9,611.22-13,259.79-5,630.88

Finding the Fourth Proportional to 9,611.22, 13,259.79 and 5,630.88

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Solution

The fourth proportional to 9,611.22, 13,259.79 and 5,630.88 is: 7,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.22 : 13,259.79 = 5,630.88 : x
  2. Step 2: Convert to fraction form
    9,611.22/13,259.79 = 5,630.88/x
  3. Step 3: Cross multiply
    9,611.22x = 13,259.79 × 5,630.88
  4. Step 4: Simplify right side
    9,611.22x = 74,664,286.32
  5. Step 5: Solve for x
    x = 74,664,286.32/9,611.22
  6. Step 6: Final answer
    x = 7,768.45

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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.