Home / 8,436.41-12,650.70-4,927.46

Finding the Fourth Proportional to 8,436.41, 12,650.70 and 4,927.46

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Solution

The fourth proportional to 8,436.41, 12,650.70 and 4,927.46 is: 7,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.41 : 12,650.70 = 4,927.46 : x
  2. Step 2: Convert to fraction form
    8,436.41/12,650.70 = 4,927.46/x
  3. Step 3: Cross multiply
    8,436.41x = 12,650.70 × 4,927.46
  4. Step 4: Simplify right side
    8,436.41x = 62,335,818.22
  5. Step 5: Solve for x
    x = 62,335,818.22/8,436.41
  6. Step 6: Final answer
    x = 7,388.90

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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.