Home / 11,022.68-15,210.52-6,243.11

Finding the Fourth Proportional to 11,022.68, 15,210.52 and 6,243.11

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Solution

The fourth proportional to 11,022.68, 15,210.52 and 6,243.11 is: 8,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.68 : 15,210.52 = 6,243.11 : x
  2. Step 2: Convert to fraction form
    11,022.68/15,210.52 = 6,243.11/x
  3. Step 3: Cross multiply
    11,022.68x = 15,210.52 × 6,243.11
  4. Step 4: Simplify right side
    11,022.68x = 94,960,914.90
  5. Step 5: Solve for x
    x = 94,960,914.90/11,022.68
  6. Step 6: Final answer
    x = 8,615.05

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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.