Home / 12,377.09-18,557.33-4,873.79

Finding the Fourth Proportional to 12,377.09, 18,557.33 and 4,873.79

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Solution

The fourth proportional to 12,377.09, 18,557.33 and 4,873.79 is: 7,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.09 : 18,557.33 = 4,873.79 : x
  2. Step 2: Convert to fraction form
    12,377.09/18,557.33 = 4,873.79/x
  3. Step 3: Cross multiply
    12,377.09x = 18,557.33 × 4,873.79
  4. Step 4: Simplify right side
    12,377.09x = 90,444,412.23
  5. Step 5: Solve for x
    x = 90,444,412.23/12,377.09
  6. Step 6: Final answer
    x = 7,307.41

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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.