Home / 8,477.31-11,698.79-4,700.52

Finding the Fourth Proportional to 8,477.31, 11,698.79 and 4,700.52

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Solution

The fourth proportional to 8,477.31, 11,698.79 and 4,700.52 is: 6,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.31 : 11,698.79 = 4,700.52 : x
  2. Step 2: Convert to fraction form
    8,477.31/11,698.79 = 4,700.52/x
  3. Step 3: Cross multiply
    8,477.31x = 11,698.79 × 4,700.52
  4. Step 4: Simplify right side
    8,477.31x = 54,990,418.99
  5. Step 5: Solve for x
    x = 54,990,418.99/8,477.31
  6. Step 6: Final answer
    x = 6,486.78

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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.