Home / 11,243.46-15,515.10-6,528.09

Finding the Fourth Proportional to 11,243.46, 15,515.10 and 6,528.09

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Solution

The fourth proportional to 11,243.46, 15,515.10 and 6,528.09 is: 9,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.46 : 15,515.10 = 6,528.09 : x
  2. Step 2: Convert to fraction form
    11,243.46/15,515.10 = 6,528.09/x
  3. Step 3: Cross multiply
    11,243.46x = 15,515.10 × 6,528.09
  4. Step 4: Simplify right side
    11,243.46x = 101,283,969.16
  5. Step 5: Solve for x
    x = 101,283,969.16/11,243.46
  6. Step 6: Final answer
    x = 9,008.26

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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.