Home / 11,017.90-15,199.07-7,034.83

Finding the Fourth Proportional to 11,017.90, 15,199.07 and 7,034.83

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Solution

The fourth proportional to 11,017.90, 15,199.07 and 7,034.83 is: 9,704.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,017.90 : 15,199.07 = 7,034.83 : x
  2. Step 2: Convert to fraction form
    11,017.90/15,199.07 = 7,034.83/x
  3. Step 3: Cross multiply
    11,017.90x = 15,199.07 × 7,034.83
  4. Step 4: Simplify right side
    11,017.90x = 106,922,873.61
  5. Step 5: Solve for x
    x = 106,922,873.61/11,017.90
  6. Step 6: Final answer
    x = 9,704.47

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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.