Home / 7,982.16-11,015.70-4,624.92

Finding the Fourth Proportional to 7,982.16, 11,015.70 and 4,624.92

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Solution

The fourth proportional to 7,982.16, 11,015.70 and 4,624.92 is: 6,382.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.16 : 11,015.70 = 4,624.92 : x
  2. Step 2: Convert to fraction form
    7,982.16/11,015.70 = 4,624.92/x
  3. Step 3: Cross multiply
    7,982.16x = 11,015.70 × 4,624.92
  4. Step 4: Simplify right side
    7,982.16x = 50,946,731.24
  5. Step 5: Solve for x
    x = 50,946,731.24/7,982.16
  6. Step 6: Final answer
    x = 6,382.57

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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.