Home / 11,305.62-15,601.80-6,270.31

Finding the Fourth Proportional to 11,305.62, 15,601.80 and 6,270.31

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Solution

The fourth proportional to 11,305.62, 15,601.80 and 6,270.31 is: 8,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.62 : 15,601.80 = 6,270.31 : x
  2. Step 2: Convert to fraction form
    11,305.62/15,601.80 = 6,270.31/x
  3. Step 3: Cross multiply
    11,305.62x = 15,601.80 × 6,270.31
  4. Step 4: Simplify right side
    11,305.62x = 97,828,122.56
  5. Step 5: Solve for x
    x = 97,828,122.56/11,305.62
  6. Step 6: Final answer
    x = 8,653.05

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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.