Home / 12,917.32-19,374.14-4,151.10

Finding the Fourth Proportional to 12,917.32, 19,374.14 and 4,151.10

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Solution

The fourth proportional to 12,917.32, 19,374.14 and 4,151.10 is: 6,226.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917.32 : 19,374.14 = 4,151.10 : x
  2. Step 2: Convert to fraction form
    12,917.32/19,374.14 = 4,151.10/x
  3. Step 3: Cross multiply
    12,917.32x = 19,374.14 × 4,151.10
  4. Step 4: Simplify right side
    12,917.32x = 80,423,992.55
  5. Step 5: Solve for x
    x = 80,423,992.55/12,917.32
  6. Step 6: Final answer
    x = 6,226.06

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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.