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Finding the Fourth Proportional to 6,696.70, 10,038.87 and 6,143.13

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Solution

The fourth proportional to 6,696.70, 10,038.87 and 6,143.13 is: 9,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,696.70 : 10,038.87 = 6,143.13 : x
  2. Step 2: Convert to fraction form
    6,696.70/10,038.87 = 6,143.13/x
  3. Step 3: Cross multiply
    6,696.70x = 10,038.87 × 6,143.13
  4. Step 4: Simplify right side
    6,696.70x = 61,670,083.46
  5. Step 5: Solve for x
    x = 61,670,083.46/6,696.70
  6. Step 6: Final answer
    x = 9,209.03

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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.