Home / 12,282.58-16,949.21-7,248.38

Finding the Fourth Proportional to 12,282.58, 16,949.21 and 7,248.38

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Solution

The fourth proportional to 12,282.58, 16,949.21 and 7,248.38 is: 10,002.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.58 : 16,949.21 = 7,248.38 : x
  2. Step 2: Convert to fraction form
    12,282.58/16,949.21 = 7,248.38/x
  3. Step 3: Cross multiply
    12,282.58x = 16,949.21 × 7,248.38
  4. Step 4: Simplify right side
    12,282.58x = 122,854,248.15
  5. Step 5: Solve for x
    x = 122,854,248.15/12,282.58
  6. Step 6: Final answer
    x = 10,002.32

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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.