Home / 10,655.75-14,704.30-5,875.47

Finding the Fourth Proportional to 10,655.75, 14,704.30 and 5,875.47

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Solution

The fourth proportional to 10,655.75, 14,704.30 and 5,875.47 is: 8,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.75 : 14,704.30 = 5,875.47 : x
  2. Step 2: Convert to fraction form
    10,655.75/14,704.30 = 5,875.47/x
  3. Step 3: Cross multiply
    10,655.75x = 14,704.30 × 5,875.47
  4. Step 4: Simplify right side
    10,655.75x = 86,394,680.87
  5. Step 5: Solve for x
    x = 86,394,680.87/10,655.75
  6. Step 6: Final answer
    x = 8,107.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.