Home / 11,003.04-15,166.44-9,010.08

Finding the Fourth Proportional to 11,003.04, 15,166.44 and 9,010.08

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Solution

The fourth proportional to 11,003.04, 15,166.44 and 9,010.08 is: 12,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.04 : 15,166.44 = 9,010.08 : x
  2. Step 2: Convert to fraction form
    11,003.04/15,166.44 = 9,010.08/x
  3. Step 3: Cross multiply
    11,003.04x = 15,166.44 × 9,010.08
  4. Step 4: Simplify right side
    11,003.04x = 136,650,837.72
  5. Step 5: Solve for x
    x = 136,650,837.72/11,003.04
  6. Step 6: Final answer
    x = 12,419.37

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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.