Home / 12,460.77-18,687.97-3,693.64

Finding the Fourth Proportional to 12,460.77, 18,687.97 and 3,693.64

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Solution

The fourth proportional to 12,460.77, 18,687.97 and 3,693.64 is: 5,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.77 : 18,687.97 = 3,693.64 : x
  2. Step 2: Convert to fraction form
    12,460.77/18,687.97 = 3,693.64/x
  3. Step 3: Cross multiply
    12,460.77x = 18,687.97 × 3,693.64
  4. Step 4: Simplify right side
    12,460.77x = 69,026,633.51
  5. Step 5: Solve for x
    x = 69,026,633.51/12,460.77
  6. Step 6: Final answer
    x = 5,539.52

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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.