Home / 10,080.86-15,121.62-4,816.46

Finding the Fourth Proportional to 10,080.86, 15,121.62 and 4,816.46

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Solution

The fourth proportional to 10,080.86, 15,121.62 and 4,816.46 is: 7,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.86 : 15,121.62 = 4,816.46 : x
  2. Step 2: Convert to fraction form
    10,080.86/15,121.62 = 4,816.46/x
  3. Step 3: Cross multiply
    10,080.86x = 15,121.62 × 4,816.46
  4. Step 4: Simplify right side
    10,080.86x = 72,832,715.67
  5. Step 5: Solve for x
    x = 72,832,715.67/10,080.86
  6. Step 6: Final answer
    x = 7,224.86

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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.