Home / 10,618.36-15,928.38-2,826.16

Finding the Fourth Proportional to 10,618.36, 15,928.38 and 2,826.16

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Solution

The fourth proportional to 10,618.36, 15,928.38 and 2,826.16 is: 4,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.36 : 15,928.38 = 2,826.16 : x
  2. Step 2: Convert to fraction form
    10,618.36/15,928.38 = 2,826.16/x
  3. Step 3: Cross multiply
    10,618.36x = 15,928.38 × 2,826.16
  4. Step 4: Simplify right side
    10,618.36x = 45,016,110.60
  5. Step 5: Solve for x
    x = 45,016,110.60/10,618.36
  6. Step 6: Final answer
    x = 4,239.46

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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.