Home / 11,780.01-16,257.21-6,475.32

Finding the Fourth Proportional to 11,780.01, 16,257.21 and 6,475.32

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Solution

The fourth proportional to 11,780.01, 16,257.21 and 6,475.32 is: 8,936.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780.01 : 16,257.21 = 6,475.32 : x
  2. Step 2: Convert to fraction form
    11,780.01/16,257.21 = 6,475.32/x
  3. Step 3: Cross multiply
    11,780.01x = 16,257.21 × 6,475.32
  4. Step 4: Simplify right side
    11,780.01x = 105,270,637.06
  5. Step 5: Solve for x
    x = 105,270,637.06/11,780.01
  6. Step 6: Final answer
    x = 8,936.38

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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.