Home / 7,783.10-11,675.22-2,236.40

Finding the Fourth Proportional to 7,783.10, 11,675.22 and 2,236.40

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Solution

The fourth proportional to 7,783.10, 11,675.22 and 2,236.40 is: 3,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.10 : 11,675.22 = 2,236.40 : x
  2. Step 2: Convert to fraction form
    7,783.10/11,675.22 = 2,236.40/x
  3. Step 3: Cross multiply
    7,783.10x = 11,675.22 × 2,236.40
  4. Step 4: Simplify right side
    7,783.10x = 26,110,462.01
  5. Step 5: Solve for x
    x = 26,110,462.01/7,783.10
  6. Step 6: Final answer
    x = 3,354.76

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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.