Home / 7,117.15-10,667.62-4,449.97

Finding the Fourth Proportional to 7,117.15, 10,667.62 and 4,449.97

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Solution

The fourth proportional to 7,117.15, 10,667.62 and 4,449.97 is: 6,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.15 : 10,667.62 = 4,449.97 : x
  2. Step 2: Convert to fraction form
    7,117.15/10,667.62 = 4,449.97/x
  3. Step 3: Cross multiply
    7,117.15x = 10,667.62 × 4,449.97
  4. Step 4: Simplify right side
    7,117.15x = 47,470,588.97
  5. Step 5: Solve for x
    x = 47,470,588.97/7,117.15
  6. Step 6: Final answer
    x = 6,669.89

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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.