Home / 11,328.69-16,987.75-4,310.01

Finding the Fourth Proportional to 11,328.69, 16,987.75 and 4,310.01

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Solution

The fourth proportional to 11,328.69, 16,987.75 and 4,310.01 is: 6,463.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.69 : 16,987.75 = 4,310.01 : x
  2. Step 2: Convert to fraction form
    11,328.69/16,987.75 = 4,310.01/x
  3. Step 3: Cross multiply
    11,328.69x = 16,987.75 × 4,310.01
  4. Step 4: Simplify right side
    11,328.69x = 73,217,372.38
  5. Step 5: Solve for x
    x = 73,217,372.38/11,328.69
  6. Step 6: Final answer
    x = 6,463.00

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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.