Home / 11,141.53-15,374.86-6,662.64

Finding the Fourth Proportional to 11,141.53, 15,374.86 and 6,662.64

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Solution

The fourth proportional to 11,141.53, 15,374.86 and 6,662.64 is: 9,194.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.53 : 15,374.86 = 6,662.64 : x
  2. Step 2: Convert to fraction form
    11,141.53/15,374.86 = 6,662.64/x
  3. Step 3: Cross multiply
    11,141.53x = 15,374.86 × 6,662.64
  4. Step 4: Simplify right side
    11,141.53x = 102,437,157.23
  5. Step 5: Solve for x
    x = 102,437,157.23/11,141.53
  6. Step 6: Final answer
    x = 9,194.17

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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.