Home / 7,384.40-11,076.60-6,082.64

Finding the Fourth Proportional to 7,384.40, 11,076.60 and 6,082.64

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Solution

The fourth proportional to 7,384.40, 11,076.60 and 6,082.64 is: 9,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,384.40 : 11,076.60 = 6,082.64 : x
  2. Step 2: Convert to fraction form
    7,384.40/11,076.60 = 6,082.64/x
  3. Step 3: Cross multiply
    7,384.40x = 11,076.60 × 6,082.64
  4. Step 4: Simplify right side
    7,384.40x = 67,374,970.22
  5. Step 5: Solve for x
    x = 67,374,970.22/7,384.40
  6. Step 6: Final answer
    x = 9,123.96

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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.