Home / 11,008.29-15,173.67-9,015.33

Finding the Fourth Proportional to 11,008.29, 15,173.67 and 9,015.33

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Solution

The fourth proportional to 11,008.29, 15,173.67 and 9,015.33 is: 12,426.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,008.29 : 15,173.67 = 9,015.33 : x
  2. Step 2: Convert to fraction form
    11,008.29/15,173.67 = 9,015.33/x
  3. Step 3: Cross multiply
    11,008.29x = 15,173.67 × 9,015.33
  4. Step 4: Simplify right side
    11,008.29x = 136,795,642.36
  5. Step 5: Solve for x
    x = 136,795,642.36/11,008.29
  6. Step 6: Final answer
    x = 12,426.60

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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.