Home / 11,748.12-17,622.18-5,909.64

Finding the Fourth Proportional to 11,748.12, 17,622.18 and 5,909.64

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Solution

The fourth proportional to 11,748.12, 17,622.18 and 5,909.64 is: 8,864.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.12 : 17,622.18 = 5,909.64 : x
  2. Step 2: Convert to fraction form
    11,748.12/17,622.18 = 5,909.64/x
  3. Step 3: Cross multiply
    11,748.12x = 17,622.18 × 5,909.64
  4. Step 4: Simplify right side
    11,748.12x = 104,140,739.82
  5. Step 5: Solve for x
    x = 104,140,739.82/11,748.12
  6. Step 6: Final answer
    x = 8,864.46

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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.