Home / 8,739.84-13,111.68-3,548.16

Finding the Fourth Proportional to 8,739.84, 13,111.68 and 3,548.16

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Solution

The fourth proportional to 8,739.84, 13,111.68 and 3,548.16 is: 5,323.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.84 : 13,111.68 = 3,548.16 : x
  2. Step 2: Convert to fraction form
    8,739.84/13,111.68 = 3,548.16/x
  3. Step 3: Cross multiply
    8,739.84x = 13,111.68 × 3,548.16
  4. Step 4: Simplify right side
    8,739.84x = 46,522,338.51
  5. Step 5: Solve for x
    x = 46,522,338.51/8,739.84
  6. Step 6: Final answer
    x = 5,323.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.