Home / 11,916.99-16,446.44-6,612.30

Finding the Fourth Proportional to 11,916.99, 16,446.44 and 6,612.30

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Solution

The fourth proportional to 11,916.99, 16,446.44 and 6,612.30 is: 9,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.99 : 16,446.44 = 6,612.30 : x
  2. Step 2: Convert to fraction form
    11,916.99/16,446.44 = 6,612.30/x
  3. Step 3: Cross multiply
    11,916.99x = 16,446.44 × 6,612.30
  4. Step 4: Simplify right side
    11,916.99x = 108,748,811.74
  5. Step 5: Solve for x
    x = 108,748,811.74/11,916.99
  6. Step 6: Final answer
    x = 9,125.53

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1.5x scale

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.