Home / 8,703.65-13,055.58-3,157.18

Finding the Fourth Proportional to 8,703.65, 13,055.58 and 3,157.18

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Solution

The fourth proportional to 8,703.65, 13,055.58 and 3,157.18 is: 4,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,703.65 : 13,055.58 = 3,157.18 : x
  2. Step 2: Convert to fraction form
    8,703.65/13,055.58 = 3,157.18/x
  3. Step 3: Cross multiply
    8,703.65x = 13,055.58 × 3,157.18
  4. Step 4: Simplify right side
    8,703.65x = 41,218,783.43
  5. Step 5: Solve for x
    x = 41,218,783.43/8,703.65
  6. Step 6: Final answer
    x = 4,735.80

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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.