Home / 10,369.38-15,555.39-3,798.66

Finding the Fourth Proportional to 10,369.38, 15,555.39 and 3,798.66

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Solution

The fourth proportional to 10,369.38, 15,555.39 and 3,798.66 is: 5,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.38 : 15,555.39 = 3,798.66 : x
  2. Step 2: Convert to fraction form
    10,369.38/15,555.39 = 3,798.66/x
  3. Step 3: Cross multiply
    10,369.38x = 15,555.39 × 3,798.66
  4. Step 4: Simplify right side
    10,369.38x = 59,089,637.78
  5. Step 5: Solve for x
    x = 59,089,637.78/10,369.38
  6. Step 6: Final answer
    x = 5,698.47

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Double scale
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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.