Home / 8,071.07-11,138.99-4,714.97

Finding the Fourth Proportional to 8,071.07, 11,138.99 and 4,714.97

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Solution

The fourth proportional to 8,071.07, 11,138.99 and 4,714.97 is: 6,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.07 : 11,138.99 = 4,714.97 : x
  2. Step 2: Convert to fraction form
    8,071.07/11,138.99 = 4,714.97/x
  3. Step 3: Cross multiply
    8,071.07x = 11,138.99 × 4,714.97
  4. Step 4: Simplify right side
    8,071.07x = 52,519,924.41
  5. Step 5: Solve for x
    x = 52,519,924.41/8,071.07
  6. Step 6: Final answer
    x = 6,507.19

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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.