Home / 8,497.12-11,725.70-4,720.52

Finding the Fourth Proportional to 8,497.12, 11,725.70 and 4,720.52

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Solution

The fourth proportional to 8,497.12, 11,725.70 and 4,720.52 is: 6,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.12 : 11,725.70 = 4,720.52 : x
  2. Step 2: Convert to fraction form
    8,497.12/11,725.70 = 4,720.52/x
  3. Step 3: Cross multiply
    8,497.12x = 11,725.70 × 4,720.52
  4. Step 4: Simplify right side
    8,497.12x = 55,351,418.88
  5. Step 5: Solve for x
    x = 55,351,418.88/8,497.12
  6. Step 6: Final answer
    x = 6,514.14

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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.