Home / 10,010.31-13,814.62-6,647.33

Finding the Fourth Proportional to 10,010.31, 13,814.62 and 6,647.33

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Solution

The fourth proportional to 10,010.31, 13,814.62 and 6,647.33 is: 9,173.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,010.31 : 13,814.62 = 6,647.33 : x
  2. Step 2: Convert to fraction form
    10,010.31/13,814.62 = 6,647.33/x
  3. Step 3: Cross multiply
    10,010.31x = 13,814.62 × 6,647.33
  4. Step 4: Simplify right side
    10,010.31x = 91,830,252.27
  5. Step 5: Solve for x
    x = 91,830,252.27/10,010.31
  6. Step 6: Final answer
    x = 9,173.57

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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.