Home / 12,015.96-16,579.62-6,709.96

Finding the Fourth Proportional to 12,015.96, 16,579.62 and 6,709.96

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Solution

The fourth proportional to 12,015.96, 16,579.62 and 6,709.96 is: 9,258.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.96 : 16,579.62 = 6,709.96 : x
  2. Step 2: Convert to fraction form
    12,015.96/16,579.62 = 6,709.96/x
  3. Step 3: Cross multiply
    12,015.96x = 16,579.62 × 6,709.96
  4. Step 4: Simplify right side
    12,015.96x = 111,248,587.02
  5. Step 5: Solve for x
    x = 111,248,587.02/12,015.96
  6. Step 6: Final answer
    x = 9,258.40

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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.