Home / 9,108.98-13,666.80-3,845.30

Finding the Fourth Proportional to 9,108.98, 13,666.80 and 3,845.30

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Solution

The fourth proportional to 9,108.98, 13,666.80 and 3,845.30 is: 5,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.98 : 13,666.80 = 3,845.30 : x
  2. Step 2: Convert to fraction form
    9,108.98/13,666.80 = 3,845.30/x
  3. Step 3: Cross multiply
    9,108.98x = 13,666.80 × 3,845.30
  4. Step 4: Simplify right side
    9,108.98x = 52,552,946.04
  5. Step 5: Solve for x
    x = 52,552,946.04/9,108.98
  6. Step 6: Final answer
    x = 5,769.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.