Home / 9,845.92-13,582.56-5,865.76

Finding the Fourth Proportional to 9,845.92, 13,582.56 and 5,865.76

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Solution

The fourth proportional to 9,845.92, 13,582.56 and 5,865.76 is: 8,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,845.92 : 13,582.56 = 5,865.76 : x
  2. Step 2: Convert to fraction form
    9,845.92/13,582.56 = 5,865.76/x
  3. Step 3: Cross multiply
    9,845.92x = 13,582.56 × 5,865.76
  4. Step 4: Simplify right side
    9,845.92x = 79,672,037.15
  5. Step 5: Solve for x
    x = 79,672,037.15/9,845.92
  6. Step 6: Final answer
    x = 8,091.88

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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.