Home / 11,483.20-15,848.28-6,767.92

Finding the Fourth Proportional to 11,483.20, 15,848.28 and 6,767.92

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Solution

The fourth proportional to 11,483.20, 15,848.28 and 6,767.92 is: 9,340.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.20 : 15,848.28 = 6,767.92 : x
  2. Step 2: Convert to fraction form
    11,483.20/15,848.28 = 6,767.92/x
  3. Step 3: Cross multiply
    11,483.20x = 15,848.28 × 6,767.92
  4. Step 4: Simplify right side
    11,483.20x = 107,259,891.18
  5. Step 5: Solve for x
    x = 107,259,891.18/11,483.20
  6. Step 6: Final answer
    x = 9,340.59

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1.5x scale

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.