Home / 12,071.60-18,110.55-4,676.30

Finding the Fourth Proportional to 12,071.60, 18,110.55 and 4,676.30

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Solution

The fourth proportional to 12,071.60, 18,110.55 and 4,676.30 is: 7,015.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.60 : 18,110.55 = 4,676.30 : x
  2. Step 2: Convert to fraction form
    12,071.60/18,110.55 = 4,676.30/x
  3. Step 3: Cross multiply
    12,071.60x = 18,110.55 × 4,676.30
  4. Step 4: Simplify right side
    12,071.60x = 84,690,364.97
  5. Step 5: Solve for x
    x = 84,690,364.97/12,071.60
  6. Step 6: Final answer
    x = 7,015.67

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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.