Home / 7,428.11-11,134.67-4,656.73

Finding the Fourth Proportional to 7,428.11, 11,134.67 and 4,656.73

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Solution

The fourth proportional to 7,428.11, 11,134.67 and 4,656.73 is: 6,980.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.11 : 11,134.67 = 4,656.73 : x
  2. Step 2: Convert to fraction form
    7,428.11/11,134.67 = 4,656.73/x
  3. Step 3: Cross multiply
    7,428.11x = 11,134.67 × 4,656.73
  4. Step 4: Simplify right side
    7,428.11x = 51,851,182.37
  5. Step 5: Solve for x
    x = 51,851,182.37/7,428.11
  6. Step 6: Final answer
    x = 6,980.40

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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.