Home / 9,515.13-13,127.67-5,532.97

Finding the Fourth Proportional to 9,515.13, 13,127.67 and 5,532.97

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Solution

The fourth proportional to 9,515.13, 13,127.67 and 5,532.97 is: 7,633.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.13 : 13,127.67 = 5,532.97 : x
  2. Step 2: Convert to fraction form
    9,515.13/13,127.67 = 5,532.97/x
  3. Step 3: Cross multiply
    9,515.13x = 13,127.67 × 5,532.97
  4. Step 4: Simplify right side
    9,515.13x = 72,635,004.28
  5. Step 5: Solve for x
    x = 72,635,004.28/9,515.13
  6. Step 6: Final answer
    x = 7,633.63

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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.