Home / 10,916.54-16,374.81-5,372.49

Finding the Fourth Proportional to 10,916.54, 16,374.81 and 5,372.49

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Solution

The fourth proportional to 10,916.54, 16,374.81 and 5,372.49 is: 8,058.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.54 : 16,374.81 = 5,372.49 : x
  2. Step 2: Convert to fraction form
    10,916.54/16,374.81 = 5,372.49/x
  3. Step 3: Cross multiply
    10,916.54x = 16,374.81 × 5,372.49
  4. Step 4: Simplify right side
    10,916.54x = 87,973,502.98
  5. Step 5: Solve for x
    x = 87,973,502.98/10,916.54
  6. Step 6: Final answer
    x = 8,058.74

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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.