Home / 11,416.23-15,754.08-6,380.47

Finding the Fourth Proportional to 11,416.23, 15,754.08 and 6,380.47

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Solution

The fourth proportional to 11,416.23, 15,754.08 and 6,380.47 is: 8,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,416.23 : 15,754.08 = 6,380.47 : x
  2. Step 2: Convert to fraction form
    11,416.23/15,754.08 = 6,380.47/x
  3. Step 3: Cross multiply
    11,416.23x = 15,754.08 × 6,380.47
  4. Step 4: Simplify right side
    11,416.23x = 100,518,434.82
  5. Step 5: Solve for x
    x = 100,518,434.82/11,416.23
  6. Step 6: Final answer
    x = 8,804.87

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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.