Home / 8,760.35-12,089.25-4,781.48

Finding the Fourth Proportional to 8,760.35, 12,089.25 and 4,781.48

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Solution

The fourth proportional to 8,760.35, 12,089.25 and 4,781.48 is: 6,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.35 : 12,089.25 = 4,781.48 : x
  2. Step 2: Convert to fraction form
    8,760.35/12,089.25 = 4,781.48/x
  3. Step 3: Cross multiply
    8,760.35x = 12,089.25 × 4,781.48
  4. Step 4: Simplify right side
    8,760.35x = 57,804,514.65
  5. Step 5: Solve for x
    x = 57,804,514.65/8,760.35
  6. Step 6: Final answer
    x = 6,598.42

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1.5x scale

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.