Home / 7,008.98-10,513.51-2,078.66

Finding the Fourth Proportional to 7,008.98, 10,513.51 and 2,078.66

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Solution

The fourth proportional to 7,008.98, 10,513.51 and 2,078.66 is: 3,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.98 : 10,513.51 = 2,078.66 : x
  2. Step 2: Convert to fraction form
    7,008.98/10,513.51 = 2,078.66/x
  3. Step 3: Cross multiply
    7,008.98x = 10,513.51 × 2,078.66
  4. Step 4: Simplify right side
    7,008.98x = 21,854,012.70
  5. Step 5: Solve for x
    x = 21,854,012.70/7,008.98
  6. Step 6: Final answer
    x = 3,118.00

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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.