Home / 12,410.79-18,627.12-10,464.36

Finding the Fourth Proportional to 12,410.79, 18,627.12 and 10,464.36

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Solution

The fourth proportional to 12,410.79, 18,627.12 and 10,464.36 is: 15,705.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.79 : 18,627.12 = 10,464.36 : x
  2. Step 2: Convert to fraction form
    12,410.79/18,627.12 = 10,464.36/x
  3. Step 3: Cross multiply
    12,410.79x = 18,627.12 × 10,464.36
  4. Step 4: Simplify right side
    12,410.79x = 194,920,889.44
  5. Step 5: Solve for x
    x = 194,920,889.44/12,410.79
  6. Step 6: Final answer
    x = 15,705.76

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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.