Home / 11,281.05-16,918.84-4,707.29

Finding the Fourth Proportional to 11,281.05, 16,918.84 and 4,707.29

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Solution

The fourth proportional to 11,281.05, 16,918.84 and 4,707.29 is: 7,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.05 : 16,918.84 = 4,707.29 : x
  2. Step 2: Convert to fraction form
    11,281.05/16,918.84 = 4,707.29/x
  3. Step 3: Cross multiply
    11,281.05x = 16,918.84 × 4,707.29
  4. Step 4: Simplify right side
    11,281.05x = 79,641,886.34
  5. Step 5: Solve for x
    x = 79,641,886.34/11,281.05
  6. Step 6: Final answer
    x = 7,059.79

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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.