Home / 8,361.24-11,539.98-5,707.68

Finding the Fourth Proportional to 8,361.24, 11,539.98 and 5,707.68

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Solution

The fourth proportional to 8,361.24, 11,539.98 and 5,707.68 is: 7,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,361.24 : 11,539.98 = 5,707.68 : x
  2. Step 2: Convert to fraction form
    8,361.24/11,539.98 = 5,707.68/x
  3. Step 3: Cross multiply
    8,361.24x = 11,539.98 × 5,707.68
  4. Step 4: Simplify right side
    8,361.24x = 65,866,513.05
  5. Step 5: Solve for x
    x = 65,866,513.05/8,361.24
  6. Step 6: Final answer
    x = 7,877.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.