Home / 12,966.06-19,447.20-4,644.84

Finding the Fourth Proportional to 12,966.06, 19,447.20 and 4,644.84

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Solution

The fourth proportional to 12,966.06, 19,447.20 and 4,644.84 is: 6,966.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.06 : 19,447.20 = 4,644.84 : x
  2. Step 2: Convert to fraction form
    12,966.06/19,447.20 = 4,644.84/x
  3. Step 3: Cross multiply
    12,966.06x = 19,447.20 × 4,644.84
  4. Step 4: Simplify right side
    12,966.06x = 90,329,132.45
  5. Step 5: Solve for x
    x = 90,329,132.45/12,966.06
  6. Step 6: Final answer
    x = 6,966.58

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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.