Home / 8,782.01-13,173.03-3,587.88

Finding the Fourth Proportional to 8,782.01, 13,173.03 and 3,587.88

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Solution

The fourth proportional to 8,782.01, 13,173.03 and 3,587.88 is: 5,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.01 : 13,173.03 = 3,587.88 : x
  2. Step 2: Convert to fraction form
    8,782.01/13,173.03 = 3,587.88/x
  3. Step 3: Cross multiply
    8,782.01x = 13,173.03 × 3,587.88
  4. Step 4: Simplify right side
    8,782.01x = 47,263,250.88
  5. Step 5: Solve for x
    x = 47,263,250.88/8,782.01
  6. Step 6: Final answer
    x = 5,381.83

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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.