Home / 7,106.88-10,660.14-2,176.32

Finding the Fourth Proportional to 7,106.88, 10,660.14 and 2,176.32

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Solution

The fourth proportional to 7,106.88, 10,660.14 and 2,176.32 is: 3,264.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.88 : 10,660.14 = 2,176.32 : x
  2. Step 2: Convert to fraction form
    7,106.88/10,660.14 = 2,176.32/x
  3. Step 3: Cross multiply
    7,106.88x = 10,660.14 × 2,176.32
  4. Step 4: Simplify right side
    7,106.88x = 23,199,875.88
  5. Step 5: Solve for x
    x = 23,199,875.88/7,106.88
  6. Step 6: Final answer
    x = 3,264.42

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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.