Home / 10,866.13-16,304.76-5,173.54

Finding the Fourth Proportional to 10,866.13, 16,304.76 and 5,173.54

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Solution

The fourth proportional to 10,866.13, 16,304.76 and 5,173.54 is: 7,762.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.13 : 16,304.76 = 5,173.54 : x
  2. Step 2: Convert to fraction form
    10,866.13/16,304.76 = 5,173.54/x
  3. Step 3: Cross multiply
    10,866.13x = 16,304.76 × 5,173.54
  4. Step 4: Simplify right side
    10,866.13x = 84,353,328.05
  5. Step 5: Solve for x
    x = 84,353,328.05/10,866.13
  6. Step 6: Final answer
    x = 7,762.96

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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.