Home / 8,783.24-13,157.58-5,819.72

Finding the Fourth Proportional to 8,783.24, 13,157.58 and 5,819.72

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Solution

The fourth proportional to 8,783.24, 13,157.58 and 5,819.72 is: 8,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.24 : 13,157.58 = 5,819.72 : x
  2. Step 2: Convert to fraction form
    8,783.24/13,157.58 = 5,819.72/x
  3. Step 3: Cross multiply
    8,783.24x = 13,157.58 × 5,819.72
  4. Step 4: Simplify right side
    8,783.24x = 76,573,431.48
  5. Step 5: Solve for x
    x = 76,573,431.48/8,783.24
  6. Step 6: Final answer
    x = 8,718.13

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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.