Home / 7,219.77-10,811.17-4,095.09

Finding the Fourth Proportional to 7,219.77, 10,811.17 and 4,095.09

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Solution

The fourth proportional to 7,219.77, 10,811.17 and 4,095.09 is: 6,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.77 : 10,811.17 = 4,095.09 : x
  2. Step 2: Convert to fraction form
    7,219.77/10,811.17 = 4,095.09/x
  3. Step 3: Cross multiply
    7,219.77x = 10,811.17 × 4,095.09
  4. Step 4: Simplify right side
    7,219.77x = 44,272,719.27
  5. Step 5: Solve for x
    x = 44,272,719.27/7,219.77
  6. Step 6: Final answer
    x = 6,132.15

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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.