Home / 11,565.20-15,955.68-7,588.52

Finding the Fourth Proportional to 11,565.20, 15,955.68 and 7,588.52

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Solution

The fourth proportional to 11,565.20, 15,955.68 and 7,588.52 is: 10,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.20 : 15,955.68 = 7,588.52 : x
  2. Step 2: Convert to fraction form
    11,565.20/15,955.68 = 7,588.52/x
  3. Step 3: Cross multiply
    11,565.20x = 15,955.68 × 7,588.52
  4. Step 4: Simplify right side
    11,565.20x = 121,079,996.79
  5. Step 5: Solve for x
    x = 121,079,996.79/11,565.20
  6. Step 6: Final answer
    x = 10,469.34

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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.