Home / 8,317.28-11,477.48-4,540.36

Finding the Fourth Proportional to 8,317.28, 11,477.48 and 4,540.36

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Solution

The fourth proportional to 8,317.28, 11,477.48 and 4,540.36 is: 6,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.28 : 11,477.48 = 4,540.36 : x
  2. Step 2: Convert to fraction form
    8,317.28/11,477.48 = 4,540.36/x
  3. Step 3: Cross multiply
    8,317.28x = 11,477.48 × 4,540.36
  4. Step 4: Simplify right side
    8,317.28x = 52,111,891.09
  5. Step 5: Solve for x
    x = 52,111,891.09/8,317.28
  6. Step 6: Final answer
    x = 6,265.50

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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.