Home / 12,415.32-17,133.13-6,826.32

Finding the Fourth Proportional to 12,415.32, 17,133.13 and 6,826.32

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Solution

The fourth proportional to 12,415.32, 17,133.13 and 6,826.32 is: 9,420.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.32 : 17,133.13 = 6,826.32 : x
  2. Step 2: Convert to fraction form
    12,415.32/17,133.13 = 6,826.32/x
  3. Step 3: Cross multiply
    12,415.32x = 17,133.13 × 6,826.32
  4. Step 4: Simplify right side
    12,415.32x = 116,956,227.98
  5. Step 5: Solve for x
    x = 116,956,227.98/12,415.32
  6. Step 6: Final answer
    x = 9,420.32

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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.