Home / 11,154.32-16,728.68-4,582.34

Finding the Fourth Proportional to 11,154.32, 16,728.68 and 4,582.34

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Solution

The fourth proportional to 11,154.32, 16,728.68 and 4,582.34 is: 6,872.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.32 : 16,728.68 = 4,582.34 : x
  2. Step 2: Convert to fraction form
    11,154.32/16,728.68 = 4,582.34/x
  3. Step 3: Cross multiply
    11,154.32x = 16,728.68 × 4,582.34
  4. Step 4: Simplify right side
    11,154.32x = 76,656,499.51
  5. Step 5: Solve for x
    x = 76,656,499.51/11,154.32
  6. Step 6: Final answer
    x = 6,872.36

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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.