Home / 12,526.34-17,282.43-7,220.43

Finding the Fourth Proportional to 12,526.34, 17,282.43 and 7,220.43

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Solution

The fourth proportional to 12,526.34, 17,282.43 and 7,220.43 is: 9,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.34 : 17,282.43 = 7,220.43 : x
  2. Step 2: Convert to fraction form
    12,526.34/17,282.43 = 7,220.43/x
  3. Step 3: Cross multiply
    12,526.34x = 17,282.43 × 7,220.43
  4. Step 4: Simplify right side
    12,526.34x = 124,786,576.04
  5. Step 5: Solve for x
    x = 124,786,576.04/12,526.34
  6. Step 6: Final answer
    x = 9,961.93

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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.