Home / 11,625.12-16,043.52-6,657.12

Finding the Fourth Proportional to 11,625.12, 16,043.52 and 6,657.12

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Solution

The fourth proportional to 11,625.12, 16,043.52 and 6,657.12 is: 9,187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.12 : 16,043.52 = 6,657.12 : x
  2. Step 2: Convert to fraction form
    11,625.12/16,043.52 = 6,657.12/x
  3. Step 3: Cross multiply
    11,625.12x = 16,043.52 × 6,657.12
  4. Step 4: Simplify right side
    11,625.12x = 106,803,637.86
  5. Step 5: Solve for x
    x = 106,803,637.86/11,625.12
  6. Step 6: Final answer
    x = 9,187.31

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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.