Home / 9,871.07-14,782.60-5,195.04

Finding the Fourth Proportional to 9,871.07, 14,782.60 and 5,195.04

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Solution

The fourth proportional to 9,871.07, 14,782.60 and 5,195.04 is: 7,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871.07 : 14,782.60 = 5,195.04 : x
  2. Step 2: Convert to fraction form
    9,871.07/14,782.60 = 5,195.04/x
  3. Step 3: Cross multiply
    9,871.07x = 14,782.60 × 5,195.04
  4. Step 4: Simplify right side
    9,871.07x = 76,796,149.36
  5. Step 5: Solve for x
    x = 76,796,149.36/9,871.07
  6. Step 6: Final answer
    x = 7,779.93

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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.