Home / 11,316.84-16,970.94-4,390.44

Finding the Fourth Proportional to 11,316.84, 16,970.94 and 4,390.44

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Solution

The fourth proportional to 11,316.84, 16,970.94 and 4,390.44 is: 6,583.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.84 : 16,970.94 = 4,390.44 : x
  2. Step 2: Convert to fraction form
    11,316.84/16,970.94 = 4,390.44/x
  3. Step 3: Cross multiply
    11,316.84x = 16,970.94 × 4,390.44
  4. Step 4: Simplify right side
    11,316.84x = 74,509,893.81
  5. Step 5: Solve for x
    x = 74,509,893.81/11,316.84
  6. Step 6: Final answer
    x = 6,583.98

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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.