Home / 8,185.68-12,281.56-4,901.08

Finding the Fourth Proportional to 8,185.68, 12,281.56 and 4,901.08

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Solution

The fourth proportional to 8,185.68, 12,281.56 and 4,901.08 is: 7,353.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.68 : 12,281.56 = 4,901.08 : x
  2. Step 2: Convert to fraction form
    8,185.68/12,281.56 = 4,901.08/x
  3. Step 3: Cross multiply
    8,185.68x = 12,281.56 × 4,901.08
  4. Step 4: Simplify right side
    8,185.68x = 60,192,908.08
  5. Step 5: Solve for x
    x = 60,192,908.08/8,185.68
  6. Step 6: Final answer
    x = 7,353.44

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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.