Home / 11,178.64-16,684.28-10,994.11

Finding the Fourth Proportional to 11,178.64, 16,684.28 and 10,994.11

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Solution

The fourth proportional to 11,178.64, 16,684.28 and 10,994.11 is: 16,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178.64 : 16,684.28 = 10,994.11 : x
  2. Step 2: Convert to fraction form
    11,178.64/16,684.28 = 10,994.11/x
  3. Step 3: Cross multiply
    11,178.64x = 16,684.28 × 10,994.11
  4. Step 4: Simplify right side
    11,178.64x = 183,428,809.59
  5. Step 5: Solve for x
    x = 183,428,809.59/11,178.64
  6. Step 6: Final answer
    x = 16,408.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.