Home / 13,283.79-19,930.32-5,888.88

Finding the Fourth Proportional to 13,283.79, 19,930.32 and 5,888.88

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Solution

The fourth proportional to 13,283.79, 19,930.32 and 5,888.88 is: 8,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.79 : 19,930.32 = 5,888.88 : x
  2. Step 2: Convert to fraction form
    13,283.79/19,930.32 = 5,888.88/x
  3. Step 3: Cross multiply
    13,283.79x = 19,930.32 × 5,888.88
  4. Step 4: Simplify right side
    13,283.79x = 117,367,262.84
  5. Step 5: Solve for x
    x = 117,367,262.84/13,283.79
  6. Step 6: Final answer
    x = 8,835.37

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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.