Home / 8,085.28-11,159.06-5,971.79

Finding the Fourth Proportional to 8,085.28, 11,159.06 and 5,971.79

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Solution

The fourth proportional to 8,085.28, 11,159.06 and 5,971.79 is: 8,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.28 : 11,159.06 = 5,971.79 : x
  2. Step 2: Convert to fraction form
    8,085.28/11,159.06 = 5,971.79/x
  3. Step 3: Cross multiply
    8,085.28x = 11,159.06 × 5,971.79
  4. Step 4: Simplify right side
    8,085.28x = 66,639,562.92
  5. Step 5: Solve for x
    x = 66,639,562.92/8,085.28
  6. Step 6: Final answer
    x = 8,242.08

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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.