Home / 9,779.19-14,666.97-2,757.48

Finding the Fourth Proportional to 9,779.19, 14,666.97 and 2,757.48

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Solution

The fourth proportional to 9,779.19, 14,666.97 and 2,757.48 is: 4,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.19 : 14,666.97 = 2,757.48 : x
  2. Step 2: Convert to fraction form
    9,779.19/14,666.97 = 2,757.48/x
  3. Step 3: Cross multiply
    9,779.19x = 14,666.97 × 2,757.48
  4. Step 4: Simplify right side
    9,779.19x = 40,443,876.44
  5. Step 5: Solve for x
    x = 40,443,876.44/9,779.19
  6. Step 6: Final answer
    x = 4,135.71

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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.