Home / 7,644.17-11,518.49-6,287.96

Finding the Fourth Proportional to 7,644.17, 11,518.49 and 6,287.96

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Solution

The fourth proportional to 7,644.17, 11,518.49 and 6,287.96 is: 9,474.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.17 : 11,518.49 = 6,287.96 : x
  2. Step 2: Convert to fraction form
    7,644.17/11,518.49 = 6,287.96/x
  3. Step 3: Cross multiply
    7,644.17x = 11,518.49 × 6,287.96
  4. Step 4: Simplify right side
    7,644.17x = 72,427,804.38
  5. Step 5: Solve for x
    x = 72,427,804.38/7,644.17
  6. Step 6: Final answer
    x = 9,474.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.