Home / 8,703.90-13,057.82-2,860.56

Finding the Fourth Proportional to 8,703.90, 13,057.82 and 2,860.56

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Solution

The fourth proportional to 8,703.90, 13,057.82 and 2,860.56 is: 4,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.90 : 13,057.82 = 2,860.56 : x
  2. Step 2: Convert to fraction form
    8,703.90/13,057.82 = 2,860.56/x
  3. Step 3: Cross multiply
    8,703.90x = 13,057.82 × 2,860.56
  4. Step 4: Simplify right side
    8,703.90x = 37,352,677.58
  5. Step 5: Solve for x
    x = 37,352,677.58/8,703.90
  6. Step 6: Final answer
    x = 4,291.49

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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.