Home / 11,924.57-16,457.01-6,621.09

Finding the Fourth Proportional to 11,924.57, 16,457.01 and 6,621.09

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Solution

The fourth proportional to 11,924.57, 16,457.01 and 6,621.09 is: 9,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.57 : 16,457.01 = 6,621.09 : x
  2. Step 2: Convert to fraction form
    11,924.57/16,457.01 = 6,621.09/x
  3. Step 3: Cross multiply
    11,924.57x = 16,457.01 × 6,621.09
  4. Step 4: Simplify right side
    11,924.57x = 108,963,344.34
  5. Step 5: Solve for x
    x = 108,963,344.34/11,924.57
  6. Step 6: Final answer
    x = 9,137.72

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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.