Home / 11,107.23-15,323.58-6,324.76

Finding the Fourth Proportional to 11,107.23, 15,323.58 and 6,324.76

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Solution

The fourth proportional to 11,107.23, 15,323.58 and 6,324.76 is: 8,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.23 : 15,323.58 = 6,324.76 : x
  2. Step 2: Convert to fraction form
    11,107.23/15,323.58 = 6,324.76/x
  3. Step 3: Cross multiply
    11,107.23x = 15,323.58 × 6,324.76
  4. Step 4: Simplify right side
    11,107.23x = 96,917,941.90
  5. Step 5: Solve for x
    x = 96,917,941.90/11,107.23
  6. Step 6: Final answer
    x = 8,725.67

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Half scale
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Double scale
Find fourth proportional to 11,108.23, 15,324.96 and 6,325.76
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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.