Home / 11,622.88-16,038.72-7,651.84

Finding the Fourth Proportional to 11,622.88, 16,038.72 and 7,651.84

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Solution

The fourth proportional to 11,622.88, 16,038.72 and 7,651.84 is: 10,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.88 : 16,038.72 = 7,651.84 : x
  2. Step 2: Convert to fraction form
    11,622.88/16,038.72 = 7,651.84/x
  3. Step 3: Cross multiply
    11,622.88x = 16,038.72 × 7,651.84
  4. Step 4: Simplify right side
    11,622.88x = 122,725,719.24
  5. Step 5: Solve for x
    x = 122,725,719.24/11,622.88
  6. Step 6: Final answer
    x = 10,558.98

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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.