Home / 12,503.60-18,764.62-5,929.81

Finding the Fourth Proportional to 12,503.60, 18,764.62 and 5,929.81

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Solution

The fourth proportional to 12,503.60, 18,764.62 and 5,929.81 is: 8,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,503.60 : 18,764.62 = 5,929.81 : x
  2. Step 2: Convert to fraction form
    12,503.60/18,764.62 = 5,929.81/x
  3. Step 3: Cross multiply
    12,503.60x = 18,764.62 × 5,929.81
  4. Step 4: Simplify right side
    12,503.60x = 111,270,631.32
  5. Step 5: Solve for x
    x = 111,270,631.32/12,503.60
  6. Step 6: Final answer
    x = 8,899.09

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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.