Home / 7,430.11-11,137.67-4,658.73

Finding the Fourth Proportional to 7,430.11, 11,137.67 and 4,658.73

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Solution

The fourth proportional to 7,430.11, 11,137.67 and 4,658.73 is: 6,983.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.11 : 11,137.67 = 4,658.73 : x
  2. Step 2: Convert to fraction form
    7,430.11/11,137.67 = 4,658.73/x
  3. Step 3: Cross multiply
    7,430.11x = 11,137.67 × 4,658.73
  4. Step 4: Simplify right side
    7,430.11x = 51,887,397.36
  5. Step 5: Solve for x
    x = 51,887,397.36/7,430.11
  6. Step 6: Final answer
    x = 6,983.40

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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.