Home / 11,385.32-17,088.54-5,842.76

Finding the Fourth Proportional to 11,385.32, 17,088.54 and 5,842.76

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Solution

The fourth proportional to 11,385.32, 17,088.54 and 5,842.76 is: 8,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,385.32 : 17,088.54 = 5,842.76 : x
  2. Step 2: Convert to fraction form
    11,385.32/17,088.54 = 5,842.76/x
  3. Step 3: Cross multiply
    11,385.32x = 17,088.54 × 5,842.76
  4. Step 4: Simplify right side
    11,385.32x = 99,844,237.97
  5. Step 5: Solve for x
    x = 99,844,237.97/11,385.32
  6. Step 6: Final answer
    x = 8,769.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.