Home / 6,607.36-9,117.84-3,622.64

Finding the Fourth Proportional to 6,607.36, 9,117.84 and 3,622.64

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Solution

The fourth proportional to 6,607.36, 9,117.84 and 3,622.64 is: 4,999.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.36 : 9,117.84 = 3,622.64 : x
  2. Step 2: Convert to fraction form
    6,607.36/9,117.84 = 3,622.64/x
  3. Step 3: Cross multiply
    6,607.36x = 9,117.84 × 3,622.64
  4. Step 4: Simplify right side
    6,607.36x = 33,030,651.90
  5. Step 5: Solve for x
    x = 33,030,651.90/6,607.36
  6. Step 6: Final answer
    x = 4,999.07

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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.