Home / 7,924.36-11,886.72-2,729.56

Finding the Fourth Proportional to 7,924.36, 11,886.72 and 2,729.56

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Solution

The fourth proportional to 7,924.36, 11,886.72 and 2,729.56 is: 4,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.36 : 11,886.72 = 2,729.56 : x
  2. Step 2: Convert to fraction form
    7,924.36/11,886.72 = 2,729.56/x
  3. Step 3: Cross multiply
    7,924.36x = 11,886.72 × 2,729.56
  4. Step 4: Simplify right side
    7,924.36x = 32,445,515.44
  5. Step 5: Solve for x
    x = 32,445,515.44/7,924.36
  6. Step 6: Final answer
    x = 4,094.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.