Home / 10,686.75-16,032.69-4,841.79

Finding the Fourth Proportional to 10,686.75, 16,032.69 and 4,841.79

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Solution

The fourth proportional to 10,686.75, 16,032.69 and 4,841.79 is: 7,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686.75 : 16,032.69 = 4,841.79 : x
  2. Step 2: Convert to fraction form
    10,686.75/16,032.69 = 4,841.79/x
  3. Step 3: Cross multiply
    10,686.75x = 16,032.69 × 4,841.79
  4. Step 4: Simplify right side
    10,686.75x = 77,626,918.12
  5. Step 5: Solve for x
    x = 77,626,918.12/10,686.75
  6. Step 6: Final answer
    x = 7,263.85

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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.