Home / 11,931.32-16,465.56-6,554

Finding the Fourth Proportional to 11,931.32, 16,465.56 and 6,554

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Solution

The fourth proportional to 11,931.32, 16,465.56 and 6,554 is: 9,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.32 : 16,465.56 = 6,554 : x
  2. Step 2: Convert to fraction form
    11,931.32/16,465.56 = 6,554/x
  3. Step 3: Cross multiply
    11,931.32x = 16,465.56 × 6,554
  4. Step 4: Simplify right side
    11,931.32x = 107,915,280.24
  5. Step 5: Solve for x
    x = 107,915,280.24/11,931.32
  6. Step 6: Final answer
    x = 9,044.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.