Home / 7,563.65-11,345.76-3,402.86

Finding the Fourth Proportional to 7,563.65, 11,345.76 and 3,402.86

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Solution

The fourth proportional to 7,563.65, 11,345.76 and 3,402.86 is: 5,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.65 : 11,345.76 = 3,402.86 : x
  2. Step 2: Convert to fraction form
    7,563.65/11,345.76 = 3,402.86/x
  3. Step 3: Cross multiply
    7,563.65x = 11,345.76 × 3,402.86
  4. Step 4: Simplify right side
    7,563.65x = 38,607,976.14
  5. Step 5: Solve for x
    x = 38,607,976.14/7,563.65
  6. Step 6: Final answer
    x = 5,104.41

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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.