Home / 11,581.23-15,979.64-6,867.03

Finding the Fourth Proportional to 11,581.23, 15,979.64 and 6,867.03

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Solution

The fourth proportional to 11,581.23, 15,979.64 and 6,867.03 is: 9,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.23 : 15,979.64 = 6,867.03 : x
  2. Step 2: Convert to fraction form
    11,581.23/15,979.64 = 6,867.03/x
  3. Step 3: Cross multiply
    11,581.23x = 15,979.64 × 6,867.03
  4. Step 4: Simplify right side
    11,581.23x = 109,732,632.93
  5. Step 5: Solve for x
    x = 109,732,632.93/11,581.23
  6. Step 6: Final answer
    x = 9,475.04

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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.