Home / 10,916.70-16,381.54-4,341.12

Finding the Fourth Proportional to 10,916.70, 16,381.54 and 4,341.12

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Solution

The fourth proportional to 10,916.70, 16,381.54 and 4,341.12 is: 6,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.70 : 16,381.54 = 4,341.12 : x
  2. Step 2: Convert to fraction form
    10,916.70/16,381.54 = 4,341.12/x
  3. Step 3: Cross multiply
    10,916.70x = 16,381.54 × 4,341.12
  4. Step 4: Simplify right side
    10,916.70x = 71,114,230.92
  5. Step 5: Solve for x
    x = 71,114,230.92/10,916.70
  6. Step 6: Final answer
    x = 6,514.26

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1.5x scale

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.