Home / 36,078.01-54,118.55-9,782.75

Finding the Fourth Proportional to 36,078.01, 54,118.55 and 9,782.75

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Solution

The fourth proportional to 36,078.01, 54,118.55 and 9,782.75 is: 14,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.01 : 54,118.55 = 9,782.75 : x
  2. Step 2: Convert to fraction form
    36,078.01/54,118.55 = 9,782.75/x
  3. Step 3: Cross multiply
    36,078.01x = 54,118.55 × 9,782.75
  4. Step 4: Simplify right side
    36,078.01x = 529,428,404.77
  5. Step 5: Solve for x
    x = 529,428,404.77/36,078.01
  6. Step 6: Final answer
    x = 14,674.55

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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.