Home / 7,009.88-10,513.20-2,078.33

Finding the Fourth Proportional to 7,009.88, 10,513.20 and 2,078.33

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Solution

The fourth proportional to 7,009.88, 10,513.20 and 2,078.33 is: 3,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.88 : 10,513.20 = 2,078.33 : x
  2. Step 2: Convert to fraction form
    7,009.88/10,513.20 = 2,078.33/x
  3. Step 3: Cross multiply
    7,009.88x = 10,513.20 × 2,078.33
  4. Step 4: Simplify right side
    7,009.88x = 21,849,898.96
  5. Step 5: Solve for x
    x = 21,849,898.96/7,009.88
  6. Step 6: Final answer
    x = 3,117.01

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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.