Home / 12,014.21-16,582.58-7,770.02

Finding the Fourth Proportional to 12,014.21, 16,582.58 and 7,770.02

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Solution

The fourth proportional to 12,014.21, 16,582.58 and 7,770.02 is: 10,724.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.21 : 16,582.58 = 7,770.02 : x
  2. Step 2: Convert to fraction form
    12,014.21/16,582.58 = 7,770.02/x
  3. Step 3: Cross multiply
    12,014.21x = 16,582.58 × 7,770.02
  4. Step 4: Simplify right side
    12,014.21x = 128,846,856.49
  5. Step 5: Solve for x
    x = 128,846,856.49/12,014.21
  6. Step 6: Final answer
    x = 10,724.54

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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.