Home / 11,473.23-15,803.55-8,110.26

Finding the Fourth Proportional to 11,473.23, 15,803.55 and 8,110.26

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Solution

The fourth proportional to 11,473.23, 15,803.55 and 8,110.26 is: 11,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473.23 : 15,803.55 = 8,110.26 : x
  2. Step 2: Convert to fraction form
    11,473.23/15,803.55 = 8,110.26/x
  3. Step 3: Cross multiply
    11,473.23x = 15,803.55 × 8,110.26
  4. Step 4: Simplify right side
    11,473.23x = 128,170,840.16
  5. Step 5: Solve for x
    x = 128,170,840.16/11,473.23
  6. Step 6: Final answer
    x = 11,171.30

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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.