Home / 10,955.69-16,422.59-4,283.03

Finding the Fourth Proportional to 10,955.69, 16,422.59 and 4,283.03

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Solution

The fourth proportional to 10,955.69, 16,422.59 and 4,283.03 is: 6,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.69 : 16,422.59 = 4,283.03 : x
  2. Step 2: Convert to fraction form
    10,955.69/16,422.59 = 4,283.03/x
  3. Step 3: Cross multiply
    10,955.69x = 16,422.59 × 4,283.03
  4. Step 4: Simplify right side
    10,955.69x = 70,338,497.41
  5. Step 5: Solve for x
    x = 70,338,497.41/10,955.69
  6. Step 6: Final answer
    x = 6,420.27

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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.