Home / 9,760.16-14,638.38-3,186.58

Finding the Fourth Proportional to 9,760.16, 14,638.38 and 3,186.58

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Solution

The fourth proportional to 9,760.16, 14,638.38 and 3,186.58 is: 4,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.16 : 14,638.38 = 3,186.58 : x
  2. Step 2: Convert to fraction form
    9,760.16/14,638.38 = 3,186.58/x
  3. Step 3: Cross multiply
    9,760.16x = 14,638.38 × 3,186.58
  4. Step 4: Simplify right side
    9,760.16x = 46,646,368.94
  5. Step 5: Solve for x
    x = 46,646,368.94/9,760.16
  6. Step 6: Final answer
    x = 4,779.26

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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.