Home / 8,762.33-13,103.55-6,542.72

Finding the Fourth Proportional to 8,762.33, 13,103.55 and 6,542.72

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Solution

The fourth proportional to 8,762.33, 13,103.55 and 6,542.72 is: 9,784.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.33 : 13,103.55 = 6,542.72 : x
  2. Step 2: Convert to fraction form
    8,762.33/13,103.55 = 6,542.72/x
  3. Step 3: Cross multiply
    8,762.33x = 13,103.55 × 6,542.72
  4. Step 4: Simplify right side
    8,762.33x = 85,732,858.66
  5. Step 5: Solve for x
    x = 85,732,858.66/8,762.33
  6. Step 6: Final answer
    x = 9,784.25

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1.5x scale

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.