Home / 13,256.13-18,293.13-7,206.12

Finding the Fourth Proportional to 13,256.13, 18,293.13 and 7,206.12

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Solution

The fourth proportional to 13,256.13, 18,293.13 and 7,206.12 is: 9,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.13 : 18,293.13 = 7,206.12 : x
  2. Step 2: Convert to fraction form
    13,256.13/18,293.13 = 7,206.12/x
  3. Step 3: Cross multiply
    13,256.13x = 18,293.13 × 7,206.12
  4. Step 4: Simplify right side
    13,256.13x = 131,822,489.96
  5. Step 5: Solve for x
    x = 131,822,489.96/13,256.13
  6. Step 6: Final answer
    x = 9,944.27

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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.