Home / 8,085.81-11,158.46-4,549.08

Finding the Fourth Proportional to 8,085.81, 11,158.46 and 4,549.08

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Solution

The fourth proportional to 8,085.81, 11,158.46 and 4,549.08 is: 6,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.81 : 11,158.46 = 4,549.08 : x
  2. Step 2: Convert to fraction form
    8,085.81/11,158.46 = 4,549.08/x
  3. Step 3: Cross multiply
    8,085.81x = 11,158.46 × 4,549.08
  4. Step 4: Simplify right side
    8,085.81x = 50,760,727.22
  5. Step 5: Solve for x
    x = 50,760,727.22/8,085.81
  6. Step 6: Final answer
    x = 6,277.75

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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.