Home / 7,779.63-11,663.27-2,846.53

Finding the Fourth Proportional to 7,779.63, 11,663.27 and 2,846.53

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Solution

The fourth proportional to 7,779.63, 11,663.27 and 2,846.53 is: 4,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.63 : 11,663.27 = 2,846.53 : x
  2. Step 2: Convert to fraction form
    7,779.63/11,663.27 = 2,846.53/x
  3. Step 3: Cross multiply
    7,779.63x = 11,663.27 × 2,846.53
  4. Step 4: Simplify right side
    7,779.63x = 33,199,847.95
  5. Step 5: Solve for x
    x = 33,199,847.95/7,779.63
  6. Step 6: Final answer
    x = 4,267.54

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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.