Home / 11,943.35-16,475.10-7,162.02

Finding the Fourth Proportional to 11,943.35, 16,475.10 and 7,162.02

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Solution

The fourth proportional to 11,943.35, 16,475.10 and 7,162.02 is: 9,879.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.35 : 16,475.10 = 7,162.02 : x
  2. Step 2: Convert to fraction form
    11,943.35/16,475.10 = 7,162.02/x
  3. Step 3: Cross multiply
    11,943.35x = 16,475.10 × 7,162.02
  4. Step 4: Simplify right side
    11,943.35x = 117,994,968.84
  5. Step 5: Solve for x
    x = 117,994,968.84/11,943.35
  6. Step 6: Final answer
    x = 9,879.55

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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.