Home / 11,486.13-17,159.40-7,292.56

Finding the Fourth Proportional to 11,486.13, 17,159.40 and 7,292.56

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Solution

The fourth proportional to 11,486.13, 17,159.40 and 7,292.56 is: 10,894.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.13 : 17,159.40 = 7,292.56 : x
  2. Step 2: Convert to fraction form
    11,486.13/17,159.40 = 7,292.56/x
  3. Step 3: Cross multiply
    11,486.13x = 17,159.40 × 7,292.56
  4. Step 4: Simplify right side
    11,486.13x = 125,135,954.06
  5. Step 5: Solve for x
    x = 125,135,954.06/11,486.13
  6. Step 6: Final answer
    x = 10,894.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.