Home / 8,485.47-11,705.04-5,971.23

Finding the Fourth Proportional to 8,485.47, 11,705.04 and 5,971.23

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Solution

The fourth proportional to 8,485.47, 11,705.04 and 5,971.23 is: 8,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.47 : 11,705.04 = 5,971.23 : x
  2. Step 2: Convert to fraction form
    8,485.47/11,705.04 = 5,971.23/x
  3. Step 3: Cross multiply
    8,485.47x = 11,705.04 × 5,971.23
  4. Step 4: Simplify right side
    8,485.47x = 69,893,486.00
  5. Step 5: Solve for x
    x = 69,893,486.00/8,485.47
  6. Step 6: Final answer
    x = 8,236.84

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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.