Home / 13,035.09-17,983.71-8,561.27

Finding the Fourth Proportional to 13,035.09, 17,983.71 and 8,561.27

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Solution

The fourth proportional to 13,035.09, 17,983.71 and 8,561.27 is: 11,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.09 : 17,983.71 = 8,561.27 : x
  2. Step 2: Convert to fraction form
    13,035.09/17,983.71 = 8,561.27/x
  3. Step 3: Cross multiply
    13,035.09x = 17,983.71 × 8,561.27
  4. Step 4: Simplify right side
    13,035.09x = 153,963,306.99
  5. Step 5: Solve for x
    x = 153,963,306.99/13,035.09
  6. Step 6: Final answer
    x = 11,811.45

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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.