Home / 10,335.06-15,511.77-6,815.22

Finding the Fourth Proportional to 10,335.06, 15,511.77 and 6,815.22

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Solution

The fourth proportional to 10,335.06, 15,511.77 and 6,815.22 is: 10,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.06 : 15,511.77 = 6,815.22 : x
  2. Step 2: Convert to fraction form
    10,335.06/15,511.77 = 6,815.22/x
  3. Step 3: Cross multiply
    10,335.06x = 15,511.77 × 6,815.22
  4. Step 4: Simplify right side
    10,335.06x = 105,716,125.14
  5. Step 5: Solve for x
    x = 105,716,125.14/10,335.06
  6. Step 6: Final answer
    x = 10,228.88

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1.5x scale

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.