Home / 8,251.36-11,386.96-4,714.08

Finding the Fourth Proportional to 8,251.36, 11,386.96 and 4,714.08

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Solution

The fourth proportional to 8,251.36, 11,386.96 and 4,714.08 is: 6,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.36 : 11,386.96 = 4,714.08 : x
  2. Step 2: Convert to fraction form
    8,251.36/11,386.96 = 4,714.08/x
  3. Step 3: Cross multiply
    8,251.36x = 11,386.96 × 4,714.08
  4. Step 4: Simplify right side
    8,251.36x = 53,679,040.40
  5. Step 5: Solve for x
    x = 53,679,040.40/8,251.36
  6. Step 6: Final answer
    x = 6,505.48

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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.