Home / 6,486.46-8,938.83-4,715.26

Finding the Fourth Proportional to 6,486.46, 8,938.83 and 4,715.26

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Solution

The fourth proportional to 6,486.46, 8,938.83 and 4,715.26 is: 6,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486.46 : 8,938.83 = 4,715.26 : x
  2. Step 2: Convert to fraction form
    6,486.46/8,938.83 = 4,715.26/x
  3. Step 3: Cross multiply
    6,486.46x = 8,938.83 × 4,715.26
  4. Step 4: Simplify right side
    6,486.46x = 42,148,907.55
  5. Step 5: Solve for x
    x = 42,148,907.55/6,486.46
  6. Step 6: Final answer
    x = 6,497.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.