Home / 11,349.23-15,659.64-6,632.60

Finding the Fourth Proportional to 11,349.23, 15,659.64 and 6,632.60

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Solution

The fourth proportional to 11,349.23, 15,659.64 and 6,632.60 is: 9,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.23 : 15,659.64 = 6,632.60 : x
  2. Step 2: Convert to fraction form
    11,349.23/15,659.64 = 6,632.60/x
  3. Step 3: Cross multiply
    11,349.23x = 15,659.64 × 6,632.60
  4. Step 4: Simplify right side
    11,349.23x = 103,864,049.97
  5. Step 5: Solve for x
    x = 103,864,049.97/11,349.23
  6. Step 6: Final answer
    x = 9,151.64

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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.