Home / 8,666.04-11,959.82-4,939.96

Finding the Fourth Proportional to 8,666.04, 11,959.82 and 4,939.96

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Solution

The fourth proportional to 8,666.04, 11,959.82 and 4,939.96 is: 6,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.04 : 11,959.82 = 4,939.96 : x
  2. Step 2: Convert to fraction form
    8,666.04/11,959.82 = 4,939.96/x
  3. Step 3: Cross multiply
    8,666.04x = 11,959.82 × 4,939.96
  4. Step 4: Simplify right side
    8,666.04x = 59,081,032.41
  5. Step 5: Solve for x
    x = 59,081,032.41/8,666.04
  6. Step 6: Final answer
    x = 6,817.54

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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.