Home / 12,260.12-16,918.98-6,671

Finding the Fourth Proportional to 12,260.12, 16,918.98 and 6,671

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Solution

The fourth proportional to 12,260.12, 16,918.98 and 6,671 is: 9,205.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.12 : 16,918.98 = 6,671 : x
  2. Step 2: Convert to fraction form
    12,260.12/16,918.98 = 6,671/x
  3. Step 3: Cross multiply
    12,260.12x = 16,918.98 × 6,671
  4. Step 4: Simplify right side
    12,260.12x = 112,866,515.58
  5. Step 5: Solve for x
    x = 112,866,515.58/12,260.12
  6. Step 6: Final answer
    x = 9,205.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.