Home / 11,356.68-15,671.70-6,320.52

Finding the Fourth Proportional to 11,356.68, 15,671.70 and 6,320.52

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Solution

The fourth proportional to 11,356.68, 15,671.70 and 6,320.52 is: 8,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,356.68 : 15,671.70 = 6,320.52 : x
  2. Step 2: Convert to fraction form
    11,356.68/15,671.70 = 6,320.52/x
  3. Step 3: Cross multiply
    11,356.68x = 15,671.70 × 6,320.52
  4. Step 4: Simplify right side
    11,356.68x = 99,053,293.28
  5. Step 5: Solve for x
    x = 99,053,293.28/11,356.68
  6. Step 6: Final answer
    x = 8,722.03

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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.