Home / 7,675.48-11,514.30-3,779.92

Finding the Fourth Proportional to 7,675.48, 11,514.30 and 3,779.92

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Solution

The fourth proportional to 7,675.48, 11,514.30 and 3,779.92 is: 5,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.48 : 11,514.30 = 3,779.92 : x
  2. Step 2: Convert to fraction form
    7,675.48/11,514.30 = 3,779.92/x
  3. Step 3: Cross multiply
    7,675.48x = 11,514.30 × 3,779.92
  4. Step 4: Simplify right side
    7,675.48x = 43,523,132.86
  5. Step 5: Solve for x
    x = 43,523,132.86/7,675.48
  6. Step 6: Final answer
    x = 5,670.41

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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.