Home / 11,565.15-15,945.45-9,653.73

Finding the Fourth Proportional to 11,565.15, 15,945.45 and 9,653.73

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Solution

The fourth proportional to 11,565.15, 15,945.45 and 9,653.73 is: 13,310.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.15 : 15,945.45 = 9,653.73 : x
  2. Step 2: Convert to fraction form
    11,565.15/15,945.45 = 9,653.73/x
  3. Step 3: Cross multiply
    11,565.15x = 15,945.45 × 9,653.73
  4. Step 4: Simplify right side
    11,565.15x = 153,933,069.03
  5. Step 5: Solve for x
    x = 153,933,069.03/11,565.15
  6. Step 6: Final answer
    x = 13,310.08

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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.