Home / 8,439.33-11,646.98-4,902.33

Finding the Fourth Proportional to 8,439.33, 11,646.98 and 4,902.33

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Solution

The fourth proportional to 8,439.33, 11,646.98 and 4,902.33 is: 6,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.33 : 11,646.98 = 4,902.33 : x
  2. Step 2: Convert to fraction form
    8,439.33/11,646.98 = 4,902.33/x
  3. Step 3: Cross multiply
    8,439.33x = 11,646.98 × 4,902.33
  4. Step 4: Simplify right side
    8,439.33x = 57,097,339.46
  5. Step 5: Solve for x
    x = 57,097,339.46/8,439.33
  6. Step 6: Final answer
    x = 6,765.62

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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.