Home / 10,003.74-14,989.19-3,426.35

Finding the Fourth Proportional to 10,003.74, 14,989.19 and 3,426.35

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Solution

The fourth proportional to 10,003.74, 14,989.19 and 3,426.35 is: 5,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.74 : 14,989.19 = 3,426.35 : x
  2. Step 2: Convert to fraction form
    10,003.74/14,989.19 = 3,426.35/x
  3. Step 3: Cross multiply
    10,003.74x = 14,989.19 × 3,426.35
  4. Step 4: Simplify right side
    10,003.74x = 51,358,119.08
  5. Step 5: Solve for x
    x = 51,358,119.08/10,003.74
  6. Step 6: Final answer
    x = 5,133.89

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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.