Home / 8,458.98-11,677.44-5,631.06

Finding the Fourth Proportional to 8,458.98, 11,677.44 and 5,631.06

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Solution

The fourth proportional to 8,458.98, 11,677.44 and 5,631.06 is: 7,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.98 : 11,677.44 = 5,631.06 : x
  2. Step 2: Convert to fraction form
    8,458.98/11,677.44 = 5,631.06/x
  3. Step 3: Cross multiply
    8,458.98x = 11,677.44 × 5,631.06
  4. Step 4: Simplify right side
    8,458.98x = 65,756,365.29
  5. Step 5: Solve for x
    x = 65,756,365.29/8,458.98
  6. Step 6: Final answer
    x = 7,773.56

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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.