Home / 11,840.88-16,346.68-7,651.52

Finding the Fourth Proportional to 11,840.88, 16,346.68 and 7,651.52

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Solution

The fourth proportional to 11,840.88, 16,346.68 and 7,651.52 is: 10,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,840.88 : 16,346.68 = 7,651.52 : x
  2. Step 2: Convert to fraction form
    11,840.88/16,346.68 = 7,651.52/x
  3. Step 3: Cross multiply
    11,840.88x = 16,346.68 × 7,651.52
  4. Step 4: Simplify right side
    11,840.88x = 125,076,948.95
  5. Step 5: Solve for x
    x = 125,076,948.95/11,840.88
  6. Step 6: Final answer
    x = 10,563.15

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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.