Home / 12,570.67-17,349.42-7,265.35

Finding the Fourth Proportional to 12,570.67, 17,349.42 and 7,265.35

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Solution

The fourth proportional to 12,570.67, 17,349.42 and 7,265.35 is: 10,027.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.67 : 17,349.42 = 7,265.35 : x
  2. Step 2: Convert to fraction form
    12,570.67/17,349.42 = 7,265.35/x
  3. Step 3: Cross multiply
    12,570.67x = 17,349.42 × 7,265.35
  4. Step 4: Simplify right side
    12,570.67x = 126,049,608.60
  5. Step 5: Solve for x
    x = 126,049,608.60/12,570.67
  6. Step 6: Final answer
    x = 10,027.28

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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.