Home / 10,055.07-15,080.88-2,660.27

Finding the Fourth Proportional to 10,055.07, 15,080.88 and 2,660.27

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Solution

The fourth proportional to 10,055.07, 15,080.88 and 2,660.27 is: 3,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.07 : 15,080.88 = 2,660.27 : x
  2. Step 2: Convert to fraction form
    10,055.07/15,080.88 = 2,660.27/x
  3. Step 3: Cross multiply
    10,055.07x = 15,080.88 × 2,660.27
  4. Step 4: Simplify right side
    10,055.07x = 40,119,212.64
  5. Step 5: Solve for x
    x = 40,119,212.64/10,055.07
  6. Step 6: Final answer
    x = 3,989.95

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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.