Home / 10,659.96-15,979.86-4,416.12

Finding the Fourth Proportional to 10,659.96, 15,979.86 and 4,416.12

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Solution

The fourth proportional to 10,659.96, 15,979.86 and 4,416.12 is: 6,620.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.96 : 15,979.86 = 4,416.12 : x
  2. Step 2: Convert to fraction form
    10,659.96/15,979.86 = 4,416.12/x
  3. Step 3: Cross multiply
    10,659.96x = 15,979.86 × 4,416.12
  4. Step 4: Simplify right side
    10,659.96x = 70,568,979.34
  5. Step 5: Solve for x
    x = 70,568,979.34/10,659.96
  6. Step 6: Final answer
    x = 6,620.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.