Home / 6,968.13-9,615.38-4,135.01

Finding the Fourth Proportional to 6,968.13, 9,615.38 and 4,135.01

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Solution

The fourth proportional to 6,968.13, 9,615.38 and 4,135.01 is: 5,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.13 : 9,615.38 = 4,135.01 : x
  2. Step 2: Convert to fraction form
    6,968.13/9,615.38 = 4,135.01/x
  3. Step 3: Cross multiply
    6,968.13x = 9,615.38 × 4,135.01
  4. Step 4: Simplify right side
    6,968.13x = 39,759,707.84
  5. Step 5: Solve for x
    x = 39,759,707.84/6,968.13
  6. Step 6: Final answer
    x = 5,705.94

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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.