Home / 7,975.16-11,963.64-3,045.86

Finding the Fourth Proportional to 7,975.16, 11,963.64 and 3,045.86

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Solution

The fourth proportional to 7,975.16, 11,963.64 and 3,045.86 is: 4,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.16 : 11,963.64 = 3,045.86 : x
  2. Step 2: Convert to fraction form
    7,975.16/11,963.64 = 3,045.86/x
  3. Step 3: Cross multiply
    7,975.16x = 11,963.64 × 3,045.86
  4. Step 4: Simplify right side
    7,975.16x = 36,439,572.53
  5. Step 5: Solve for x
    x = 36,439,572.53/7,975.16
  6. Step 6: Final answer
    x = 4,569.13

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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.