Home / 11,617.57-17,416.55-5,038.80

Finding the Fourth Proportional to 11,617.57, 17,416.55 and 5,038.80

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Solution

The fourth proportional to 11,617.57, 17,416.55 and 5,038.80 is: 7,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.57 : 17,416.55 = 5,038.80 : x
  2. Step 2: Convert to fraction form
    11,617.57/17,416.55 = 5,038.80/x
  3. Step 3: Cross multiply
    11,617.57x = 17,416.55 × 5,038.80
  4. Step 4: Simplify right side
    11,617.57x = 87,758,459.42
  5. Step 5: Solve for x
    x = 87,758,459.42/11,617.57
  6. Step 6: Final answer
    x = 7,553.95

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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.