Home / 5,618.16-8,388.36-5,268.24

Finding the Fourth Proportional to 5,618.16, 8,388.36 and 5,268.24

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Solution

The fourth proportional to 5,618.16, 8,388.36 and 5,268.24 is: 7,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.16 : 8,388.36 = 5,268.24 : x
  2. Step 2: Convert to fraction form
    5,618.16/8,388.36 = 5,268.24/x
  3. Step 3: Cross multiply
    5,618.16x = 8,388.36 × 5,268.24
  4. Step 4: Simplify right side
    5,618.16x = 44,191,893.69
  5. Step 5: Solve for x
    x = 44,191,893.69/5,618.16
  6. Step 6: Final answer
    x = 7,865.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.