Home / 7,624.31-11,426.07-4,663.79

Finding the Fourth Proportional to 7,624.31, 11,426.07 and 4,663.79

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Solution

The fourth proportional to 7,624.31, 11,426.07 and 4,663.79 is: 6,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.31 : 11,426.07 = 4,663.79 : x
  2. Step 2: Convert to fraction form
    7,624.31/11,426.07 = 4,663.79/x
  3. Step 3: Cross multiply
    7,624.31x = 11,426.07 × 4,663.79
  4. Step 4: Simplify right side
    7,624.31x = 53,288,733.87
  5. Step 5: Solve for x
    x = 53,288,733.87/7,624.31
  6. Step 6: Final answer
    x = 6,989.32

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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.