Home / 12,601.35-17,390.40-7,565.97

Finding the Fourth Proportional to 12,601.35, 17,390.40 and 7,565.97

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Solution

The fourth proportional to 12,601.35, 17,390.40 and 7,565.97 is: 10,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,601.35 : 17,390.40 = 7,565.97 : x
  2. Step 2: Convert to fraction form
    12,601.35/17,390.40 = 7,565.97/x
  3. Step 3: Cross multiply
    12,601.35x = 17,390.40 × 7,565.97
  4. Step 4: Simplify right side
    12,601.35x = 131,575,244.69
  5. Step 5: Solve for x
    x = 131,575,244.69/12,601.35
  6. Step 6: Final answer
    x = 10,441.36

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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.