Home / 8,975.49-12,386.33-4,996.96

Finding the Fourth Proportional to 8,975.49, 12,386.33 and 4,996.96

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Solution

The fourth proportional to 8,975.49, 12,386.33 and 4,996.96 is: 6,895.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.49 : 12,386.33 = 4,996.96 : x
  2. Step 2: Convert to fraction form
    8,975.49/12,386.33 = 4,996.96/x
  3. Step 3: Cross multiply
    8,975.49x = 12,386.33 × 4,996.96
  4. Step 4: Simplify right side
    8,975.49x = 61,893,995.56
  5. Step 5: Solve for x
    x = 61,893,995.56/8,975.49
  6. Step 6: Final answer
    x = 6,895.89

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1.5x scale

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.