Home / 12,451.19-18,678.16-5,054.58

Finding the Fourth Proportional to 12,451.19, 18,678.16 and 5,054.58

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Solution

The fourth proportional to 12,451.19, 18,678.16 and 5,054.58 is: 7,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.19 : 18,678.16 = 5,054.58 : x
  2. Step 2: Convert to fraction form
    12,451.19/18,678.16 = 5,054.58/x
  3. Step 3: Cross multiply
    12,451.19x = 18,678.16 × 5,054.58
  4. Step 4: Simplify right side
    12,451.19x = 94,410,253.97
  5. Step 5: Solve for x
    x = 94,410,253.97/12,451.19
  6. Step 6: Final answer
    x = 7,582.43

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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.