Home / 7,712.48-11,567.26-3,759.77

Finding the Fourth Proportional to 7,712.48, 11,567.26 and 3,759.77

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Solution

The fourth proportional to 7,712.48, 11,567.26 and 3,759.77 is: 5,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.48 : 11,567.26 = 3,759.77 : x
  2. Step 2: Convert to fraction form
    7,712.48/11,567.26 = 3,759.77/x
  3. Step 3: Cross multiply
    7,712.48x = 11,567.26 × 3,759.77
  4. Step 4: Simplify right side
    7,712.48x = 43,490,237.13
  5. Step 5: Solve for x
    x = 43,490,237.13/7,712.48
  6. Step 6: Final answer
    x = 5,638.94

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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.