Home / 8,424.51-12,631.37-3,497.55

Finding the Fourth Proportional to 8,424.51, 12,631.37 and 3,497.55

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Solution

The fourth proportional to 8,424.51, 12,631.37 and 3,497.55 is: 5,244.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.51 : 12,631.37 = 3,497.55 : x
  2. Step 2: Convert to fraction form
    8,424.51/12,631.37 = 3,497.55/x
  3. Step 3: Cross multiply
    8,424.51x = 12,631.37 × 3,497.55
  4. Step 4: Simplify right side
    8,424.51x = 44,178,830.66
  5. Step 5: Solve for x
    x = 44,178,830.66/8,424.51
  6. Step 6: Final answer
    x = 5,244.08

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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.