Home / 7,345.50-11,010.96-3,442.92

Finding the Fourth Proportional to 7,345.50, 11,010.96 and 3,442.92

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Solution

The fourth proportional to 7,345.50, 11,010.96 and 3,442.92 is: 5,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.50 : 11,010.96 = 3,442.92 : x
  2. Step 2: Convert to fraction form
    7,345.50/11,010.96 = 3,442.92/x
  3. Step 3: Cross multiply
    7,345.50x = 11,010.96 × 3,442.92
  4. Step 4: Simplify right side
    7,345.50x = 37,909,854.40
  5. Step 5: Solve for x
    x = 37,909,854.40/7,345.50
  6. Step 6: Final answer
    x = 5,160.96

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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.