Home / 7,652.06-11,478.08-2,105.43

Finding the Fourth Proportional to 7,652.06, 11,478.08 and 2,105.43

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Solution

The fourth proportional to 7,652.06, 11,478.08 and 2,105.43 is: 3,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652.06 : 11,478.08 = 2,105.43 : x
  2. Step 2: Convert to fraction form
    7,652.06/11,478.08 = 2,105.43/x
  3. Step 3: Cross multiply
    7,652.06x = 11,478.08 × 2,105.43
  4. Step 4: Simplify right side
    7,652.06x = 24,166,283.45
  5. Step 5: Solve for x
    x = 24,166,283.45/7,652.06
  6. Step 6: Final answer
    x = 3,158.14

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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.