Home / 7,933.20-11,888.40-4,463.12

Finding the Fourth Proportional to 7,933.20, 11,888.40 and 4,463.12

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Solution

The fourth proportional to 7,933.20, 11,888.40 and 4,463.12 is: 6,688.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.20 : 11,888.40 = 4,463.12 : x
  2. Step 2: Convert to fraction form
    7,933.20/11,888.40 = 4,463.12/x
  3. Step 3: Cross multiply
    7,933.20x = 11,888.40 × 4,463.12
  4. Step 4: Simplify right side
    7,933.20x = 53,059,355.81
  5. Step 5: Solve for x
    x = 53,059,355.81/7,933.20
  6. Step 6: Final answer
    x = 6,688.27

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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.