Home / 11,531.04-15,913.68-6,495.81

Finding the Fourth Proportional to 11,531.04, 15,913.68 and 6,495.81

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Solution

The fourth proportional to 11,531.04, 15,913.68 and 6,495.81 is: 8,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.04 : 15,913.68 = 6,495.81 : x
  2. Step 2: Convert to fraction form
    11,531.04/15,913.68 = 6,495.81/x
  3. Step 3: Cross multiply
    11,531.04x = 15,913.68 × 6,495.81
  4. Step 4: Simplify right side
    11,531.04x = 103,372,241.68
  5. Step 5: Solve for x
    x = 103,372,241.68/11,531.04
  6. Step 6: Final answer
    x = 8,964.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.