Home / 8,371.64-11,539.40-5,682.04

Finding the Fourth Proportional to 8,371.64, 11,539.40 and 5,682.04

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Solution

The fourth proportional to 8,371.64, 11,539.40 and 5,682.04 is: 7,832.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.64 : 11,539.40 = 5,682.04 : x
  2. Step 2: Convert to fraction form
    8,371.64/11,539.40 = 5,682.04/x
  3. Step 3: Cross multiply
    8,371.64x = 11,539.40 × 5,682.04
  4. Step 4: Simplify right side
    8,371.64x = 65,567,275.12
  5. Step 5: Solve for x
    x = 65,567,275.12/8,371.64
  6. Step 6: Final answer
    x = 7,832.07

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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.