Home / 11,591.64-15,996.69-6,875.82

Finding the Fourth Proportional to 11,591.64, 15,996.69 and 6,875.82

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Solution

The fourth proportional to 11,591.64, 15,996.69 and 6,875.82 is: 9,488.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,591.64 : 15,996.69 = 6,875.82 : x
  2. Step 2: Convert to fraction form
    11,591.64/15,996.69 = 6,875.82/x
  3. Step 3: Cross multiply
    11,591.64x = 15,996.69 × 6,875.82
  4. Step 4: Simplify right side
    11,591.64x = 109,990,361.04
  5. Step 5: Solve for x
    x = 109,990,361.04/11,591.64
  6. Step 6: Final answer
    x = 9,488.77

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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.