Home / 13,124.06-18,110.49-7,535.06

Finding the Fourth Proportional to 13,124.06, 18,110.49 and 7,535.06

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Solution

The fourth proportional to 13,124.06, 18,110.49 and 7,535.06 is: 10,397.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.06 : 18,110.49 = 7,535.06 : x
  2. Step 2: Convert to fraction form
    13,124.06/18,110.49 = 7,535.06/x
  3. Step 3: Cross multiply
    13,124.06x = 18,110.49 × 7,535.06
  4. Step 4: Simplify right side
    13,124.06x = 136,463,628.78
  5. Step 5: Solve for x
    x = 136,463,628.78/13,124.06
  6. Step 6: Final answer
    x = 10,397.97

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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.