Home / 11,448.79-17,178.12-6,182.75

Finding the Fourth Proportional to 11,448.79, 17,178.12 and 6,182.75

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Solution

The fourth proportional to 11,448.79, 17,178.12 and 6,182.75 is: 9,276.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.79 : 17,178.12 = 6,182.75 : x
  2. Step 2: Convert to fraction form
    11,448.79/17,178.12 = 6,182.75/x
  3. Step 3: Cross multiply
    11,448.79x = 17,178.12 × 6,182.75
  4. Step 4: Simplify right side
    11,448.79x = 106,208,064.38
  5. Step 5: Solve for x
    x = 106,208,064.38/11,448.79
  6. Step 6: Final answer
    x = 9,276.80

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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.