Home / 11,192.05-15,443.34-6,411.25

Finding the Fourth Proportional to 11,192.05, 15,443.34 and 6,411.25

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Solution

The fourth proportional to 11,192.05, 15,443.34 and 6,411.25 is: 8,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192.05 : 15,443.34 = 6,411.25 : x
  2. Step 2: Convert to fraction form
    11,192.05/15,443.34 = 6,411.25/x
  3. Step 3: Cross multiply
    11,192.05x = 15,443.34 × 6,411.25
  4. Step 4: Simplify right side
    11,192.05x = 99,011,113.58
  5. Step 5: Solve for x
    x = 99,011,113.58/11,192.05
  6. Step 6: Final answer
    x = 8,846.56

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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.