Home / 13,035.10-17,983.70-8,561.26

Finding the Fourth Proportional to 13,035.10, 17,983.70 and 8,561.26

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Solution

The fourth proportional to 13,035.10, 17,983.70 and 8,561.26 is: 11,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.10 : 17,983.70 = 8,561.26 : x
  2. Step 2: Convert to fraction form
    13,035.10/17,983.70 = 8,561.26/x
  3. Step 3: Cross multiply
    13,035.10x = 17,983.70 × 8,561.26
  4. Step 4: Simplify right side
    13,035.10x = 153,963,131.46
  5. Step 5: Solve for x
    x = 153,963,131.46/13,035.10
  6. Step 6: Final answer
    x = 11,811.43

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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.