Home / 11,580.42-17,380.35-5,011.62

Finding the Fourth Proportional to 11,580.42, 17,380.35 and 5,011.62

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Solution

The fourth proportional to 11,580.42, 17,380.35 and 5,011.62 is: 7,521.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.42 : 17,380.35 = 5,011.62 : x
  2. Step 2: Convert to fraction form
    11,580.42/17,380.35 = 5,011.62/x
  3. Step 3: Cross multiply
    11,580.42x = 17,380.35 × 5,011.62
  4. Step 4: Simplify right side
    11,580.42x = 87,103,709.67
  5. Step 5: Solve for x
    x = 87,103,709.67/11,580.42
  6. Step 6: Final answer
    x = 7,521.64

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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.