Home / 7,113.20-10,660.20-2,726.32

Finding the Fourth Proportional to 7,113.20, 10,660.20 and 2,726.32

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Solution

The fourth proportional to 7,113.20, 10,660.20 and 2,726.32 is: 4,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.20 : 10,660.20 = 2,726.32 : x
  2. Step 2: Convert to fraction form
    7,113.20/10,660.20 = 2,726.32/x
  3. Step 3: Cross multiply
    7,113.20x = 10,660.20 × 2,726.32
  4. Step 4: Simplify right side
    7,113.20x = 29,063,116.46
  5. Step 5: Solve for x
    x = 29,063,116.46/7,113.20
  6. Step 6: Final answer
    x = 4,085.80

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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.