Home / 11,165.45-16,752.03-7,432.20

Finding the Fourth Proportional to 11,165.45, 16,752.03 and 7,432.20

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Solution

The fourth proportional to 11,165.45, 16,752.03 and 7,432.20 is: 11,150.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.45 : 16,752.03 = 7,432.20 : x
  2. Step 2: Convert to fraction form
    11,165.45/16,752.03 = 7,432.20/x
  3. Step 3: Cross multiply
    11,165.45x = 16,752.03 × 7,432.20
  4. Step 4: Simplify right side
    11,165.45x = 124,504,437.37
  5. Step 5: Solve for x
    x = 124,504,437.37/11,165.45
  6. Step 6: Final answer
    x = 11,150.87

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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.