Home / 10,916.39-16,360.89-4,669.07

Finding the Fourth Proportional to 10,916.39, 16,360.89 and 4,669.07

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Solution

The fourth proportional to 10,916.39, 16,360.89 and 4,669.07 is: 6,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.39 : 16,360.89 = 4,669.07 : x
  2. Step 2: Convert to fraction form
    10,916.39/16,360.89 = 4,669.07/x
  3. Step 3: Cross multiply
    10,916.39x = 16,360.89 × 4,669.07
  4. Step 4: Simplify right side
    10,916.39x = 76,390,058.87
  5. Step 5: Solve for x
    x = 76,390,058.87/10,916.39
  6. Step 6: Final answer
    x = 6,997.74

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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.