Home / 11,905.32-16,429.39-6,527.84

Finding the Fourth Proportional to 11,905.32, 16,429.39 and 6,527.84

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Solution

The fourth proportional to 11,905.32, 16,429.39 and 6,527.84 is: 9,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,905.32 : 16,429.39 = 6,527.84 : x
  2. Step 2: Convert to fraction form
    11,905.32/16,429.39 = 6,527.84/x
  3. Step 3: Cross multiply
    11,905.32x = 16,429.39 × 6,527.84
  4. Step 4: Simplify right side
    11,905.32x = 107,248,500.39
  5. Step 5: Solve for x
    x = 107,248,500.39/11,905.32
  6. Step 6: Final answer
    x = 9,008.45

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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.