Home / 11,358.81-17,045.55-4,785.03

Finding the Fourth Proportional to 11,358.81, 17,045.55 and 4,785.03

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Solution

The fourth proportional to 11,358.81, 17,045.55 and 4,785.03 is: 7,180.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.81 : 17,045.55 = 4,785.03 : x
  2. Step 2: Convert to fraction form
    11,358.81/17,045.55 = 4,785.03/x
  3. Step 3: Cross multiply
    11,358.81x = 17,045.55 × 4,785.03
  4. Step 4: Simplify right side
    11,358.81x = 81,563,468.12
  5. Step 5: Solve for x
    x = 81,563,468.12/11,358.81
  6. Step 6: Final answer
    x = 7,180.63

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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.