Home / 9,964.31-13,756.37-6,611.63

Finding the Fourth Proportional to 9,964.31, 13,756.37 and 6,611.63

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Solution

The fourth proportional to 9,964.31, 13,756.37 and 6,611.63 is: 9,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.31 : 13,756.37 = 6,611.63 : x
  2. Step 2: Convert to fraction form
    9,964.31/13,756.37 = 6,611.63/x
  3. Step 3: Cross multiply
    9,964.31x = 13,756.37 × 6,611.63
  4. Step 4: Simplify right side
    9,964.31x = 90,951,926.74
  5. Step 5: Solve for x
    x = 90,951,926.74/9,964.31
  6. Step 6: Final answer
    x = 9,127.77

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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.