Home / 28,842.48-43,263.46-9,121.06

Finding the Fourth Proportional to 28,842.48, 43,263.46 and 9,121.06

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Solution

The fourth proportional to 28,842.48, 43,263.46 and 9,121.06 is: 13,681.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.48 : 43,263.46 = 9,121.06 : x
  2. Step 2: Convert to fraction form
    28,842.48/43,263.46 = 9,121.06/x
  3. Step 3: Cross multiply
    28,842.48x = 43,263.46 × 9,121.06
  4. Step 4: Simplify right side
    28,842.48x = 394,608,614.47
  5. Step 5: Solve for x
    x = 394,608,614.47/28,842.48
  6. Step 6: Final answer
    x = 13,681.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.