Home / 11,705.12-17,557.40-5,857.46

Finding the Fourth Proportional to 11,705.12, 17,557.40 and 5,857.46

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Solution

The fourth proportional to 11,705.12, 17,557.40 and 5,857.46 is: 8,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,705.12 : 17,557.40 = 5,857.46 : x
  2. Step 2: Convert to fraction form
    11,705.12/17,557.40 = 5,857.46/x
  3. Step 3: Cross multiply
    11,705.12x = 17,557.40 × 5,857.46
  4. Step 4: Simplify right side
    11,705.12x = 102,841,768.20
  5. Step 5: Solve for x
    x = 102,841,768.20/11,705.12
  6. Step 6: Final answer
    x = 8,786.05

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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.