Home / 12,476.63-18,718.02-3,711.51

Finding the Fourth Proportional to 12,476.63, 18,718.02 and 3,711.51

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Solution

The fourth proportional to 12,476.63, 18,718.02 and 3,711.51 is: 5,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.63 : 18,718.02 = 3,711.51 : x
  2. Step 2: Convert to fraction form
    12,476.63/18,718.02 = 3,711.51/x
  3. Step 3: Cross multiply
    12,476.63x = 18,718.02 × 3,711.51
  4. Step 4: Simplify right side
    12,476.63x = 69,472,118.41
  5. Step 5: Solve for x
    x = 69,472,118.41/12,476.63
  6. Step 6: Final answer
    x = 5,568.18

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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.