Home / 11,922.46-17,888.40-4,528.88

Finding the Fourth Proportional to 11,922.46, 17,888.40 and 4,528.88

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Solution

The fourth proportional to 11,922.46, 17,888.40 and 4,528.88 is: 6,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,922.46 : 17,888.40 = 4,528.88 : x
  2. Step 2: Convert to fraction form
    11,922.46/17,888.40 = 4,528.88/x
  3. Step 3: Cross multiply
    11,922.46x = 17,888.40 × 4,528.88
  4. Step 4: Simplify right side
    11,922.46x = 81,014,416.99
  5. Step 5: Solve for x
    x = 81,014,416.99/11,922.46
  6. Step 6: Final answer
    x = 6,795.11

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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.