Home / 11,156.47-16,712.39-6,711.69

Finding the Fourth Proportional to 11,156.47, 16,712.39 and 6,711.69

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Solution

The fourth proportional to 11,156.47, 16,712.39 and 6,711.69 is: 10,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.47 : 16,712.39 = 6,711.69 : x
  2. Step 2: Convert to fraction form
    11,156.47/16,712.39 = 6,711.69/x
  3. Step 3: Cross multiply
    11,156.47x = 16,712.39 × 6,711.69
  4. Step 4: Simplify right side
    11,156.47x = 112,168,380.84
  5. Step 5: Solve for x
    x = 112,168,380.84/11,156.47
  6. Step 6: Final answer
    x = 10,054.11

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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.