Home / 12,371.49-18,555.16-4,472.51

Finding the Fourth Proportional to 12,371.49, 18,555.16 and 4,472.51

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Solution

The fourth proportional to 12,371.49, 18,555.16 and 4,472.51 is: 6,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.49 : 18,555.16 = 4,472.51 : x
  2. Step 2: Convert to fraction form
    12,371.49/18,555.16 = 4,472.51/x
  3. Step 3: Cross multiply
    12,371.49x = 18,555.16 × 4,472.51
  4. Step 4: Simplify right side
    12,371.49x = 82,988,023.51
  5. Step 5: Solve for x
    x = 82,988,023.51/12,371.49
  6. Step 6: Final answer
    x = 6,708.01

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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.