Home / 12,395.83-17,106.24-6,730.55

Finding the Fourth Proportional to 12,395.83, 17,106.24 and 6,730.55

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Solution

The fourth proportional to 12,395.83, 17,106.24 and 6,730.55 is: 9,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.83 : 17,106.24 = 6,730.55 : x
  2. Step 2: Convert to fraction form
    12,395.83/17,106.24 = 6,730.55/x
  3. Step 3: Cross multiply
    12,395.83x = 17,106.24 × 6,730.55
  4. Step 4: Simplify right side
    12,395.83x = 115,134,360.87
  5. Step 5: Solve for x
    x = 115,134,360.87/12,395.83
  6. Step 6: Final answer
    x = 9,288.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.