Home / 11,929.24-16,463.34-6,624.40

Finding the Fourth Proportional to 11,929.24, 16,463.34 and 6,624.40

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Solution

The fourth proportional to 11,929.24, 16,463.34 and 6,624.40 is: 9,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.24 : 16,463.34 = 6,624.40 : x
  2. Step 2: Convert to fraction form
    11,929.24/16,463.34 = 6,624.40/x
  3. Step 3: Cross multiply
    11,929.24x = 16,463.34 × 6,624.40
  4. Step 4: Simplify right side
    11,929.24x = 109,059,716.37
  5. Step 5: Solve for x
    x = 109,059,716.37/11,929.24
  6. Step 6: Final answer
    x = 9,142.22

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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.