Home / 7,477.11-10,310.40-4,958.42

Finding the Fourth Proportional to 7,477.11, 10,310.40 and 4,958.42

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Solution

The fourth proportional to 7,477.11, 10,310.40 and 4,958.42 is: 6,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.11 : 10,310.40 = 4,958.42 : x
  2. Step 2: Convert to fraction form
    7,477.11/10,310.40 = 4,958.42/x
  3. Step 3: Cross multiply
    7,477.11x = 10,310.40 × 4,958.42
  4. Step 4: Simplify right side
    7,477.11x = 51,123,242.02
  5. Step 5: Solve for x
    x = 51,123,242.02/7,477.11
  6. Step 6: Final answer
    x = 6,837.30

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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.