Home / 12,497.10-18,752.85-4,706.70

Finding the Fourth Proportional to 12,497.10, 18,752.85 and 4,706.70

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Solution

The fourth proportional to 12,497.10, 18,752.85 and 4,706.70 is: 7,062.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,497.10 : 18,752.85 = 4,706.70 : x
  2. Step 2: Convert to fraction form
    12,497.10/18,752.85 = 4,706.70/x
  3. Step 3: Cross multiply
    12,497.10x = 18,752.85 × 4,706.70
  4. Step 4: Simplify right side
    12,497.10x = 88,264,039.10
  5. Step 5: Solve for x
    x = 88,264,039.10/12,497.10
  6. Step 6: Final answer
    x = 7,062.76

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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.