Home / 11,520.63-17,283.51-4,130.46

Finding the Fourth Proportional to 11,520.63, 17,283.51 and 4,130.46

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Solution

The fourth proportional to 11,520.63, 17,283.51 and 4,130.46 is: 6,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520.63 : 17,283.51 = 4,130.46 : x
  2. Step 2: Convert to fraction form
    11,520.63/17,283.51 = 4,130.46/x
  3. Step 3: Cross multiply
    11,520.63x = 17,283.51 × 4,130.46
  4. Step 4: Simplify right side
    11,520.63x = 71,388,846.71
  5. Step 5: Solve for x
    x = 71,388,846.71/11,520.63
  6. Step 6: Final answer
    x = 6,196.61

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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.