Home / 11,345.81-17,008.34-4,772.46

Finding the Fourth Proportional to 11,345.81, 17,008.34 and 4,772.46

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Solution

The fourth proportional to 11,345.81, 17,008.34 and 4,772.46 is: 7,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.81 : 17,008.34 = 4,772.46 : x
  2. Step 2: Convert to fraction form
    11,345.81/17,008.34 = 4,772.46/x
  3. Step 3: Cross multiply
    11,345.81x = 17,008.34 × 4,772.46
  4. Step 4: Simplify right side
    11,345.81x = 81,171,622.32
  5. Step 5: Solve for x
    x = 81,171,622.32/11,345.81
  6. Step 6: Final answer
    x = 7,154.33

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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.