Home / 12,372.49-18,556.65-4,473.51

Finding the Fourth Proportional to 12,372.49, 18,556.65 and 4,473.51

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Solution

The fourth proportional to 12,372.49, 18,556.65 and 4,473.51 is: 6,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.49 : 18,556.65 = 4,473.51 : x
  2. Step 2: Convert to fraction form
    12,372.49/18,556.65 = 4,473.51/x
  3. Step 3: Cross multiply
    12,372.49x = 18,556.65 × 4,473.51
  4. Step 4: Simplify right side
    12,372.49x = 83,013,359.34
  5. Step 5: Solve for x
    x = 83,013,359.34/12,372.49
  6. Step 6: Final answer
    x = 6,709.51

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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.