Home / 10,916.48-16,376.20-4,343.36

Finding the Fourth Proportional to 10,916.48, 16,376.20 and 4,343.36

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Solution

The fourth proportional to 10,916.48, 16,376.20 and 4,343.36 is: 6,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.48 : 16,376.20 = 4,343.36 : x
  2. Step 2: Convert to fraction form
    10,916.48/16,376.20 = 4,343.36/x
  3. Step 3: Cross multiply
    10,916.48x = 16,376.20 × 4,343.36
  4. Step 4: Simplify right side
    10,916.48x = 71,127,732.03
  5. Step 5: Solve for x
    x = 71,127,732.03/10,916.48
  6. Step 6: Final answer
    x = 6,515.63

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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.