Home / 8,975.67-12,386.79-4,996.53

Finding the Fourth Proportional to 8,975.67, 12,386.79 and 4,996.53

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Solution

The fourth proportional to 8,975.67, 12,386.79 and 4,996.53 is: 6,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.67 : 12,386.79 = 4,996.53 : x
  2. Step 2: Convert to fraction form
    8,975.67/12,386.79 = 4,996.53/x
  3. Step 3: Cross multiply
    8,975.67x = 12,386.79 × 4,996.53
  4. Step 4: Simplify right side
    8,975.67x = 61,890,967.84
  5. Step 5: Solve for x
    x = 61,890,967.84/8,975.67
  6. Step 6: Final answer
    x = 6,895.41

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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.