Home / 11,022.84-15,211.86-6,308.64

Finding the Fourth Proportional to 11,022.84, 15,211.86 and 6,308.64

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Solution

The fourth proportional to 11,022.84, 15,211.86 and 6,308.64 is: 8,706.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.84 : 15,211.86 = 6,308.64 : x
  2. Step 2: Convert to fraction form
    11,022.84/15,211.86 = 6,308.64/x
  3. Step 3: Cross multiply
    11,022.84x = 15,211.86 × 6,308.64
  4. Step 4: Simplify right side
    11,022.84x = 95,966,148.47
  5. Step 5: Solve for x
    x = 95,966,148.47/11,022.84
  6. Step 6: Final answer
    x = 8,706.12

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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.