Home / 9,182.70-13,779.48-3,339.72

Finding the Fourth Proportional to 9,182.70, 13,779.48 and 3,339.72

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Solution

The fourth proportional to 9,182.70, 13,779.48 and 3,339.72 is: 5,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,182.70 : 13,779.48 = 3,339.72 : x
  2. Step 2: Convert to fraction form
    9,182.70/13,779.48 = 3,339.72/x
  3. Step 3: Cross multiply
    9,182.70x = 13,779.48 × 3,339.72
  4. Step 4: Simplify right side
    9,182.70x = 46,019,604.95
  5. Step 5: Solve for x
    x = 46,019,604.95/9,182.70
  6. Step 6: Final answer
    x = 5,011.55

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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.