Home / 7,432.69-11,144.06-3,918.98

Finding the Fourth Proportional to 7,432.69, 11,144.06 and 3,918.98

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Solution

The fourth proportional to 7,432.69, 11,144.06 and 3,918.98 is: 5,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.69 : 11,144.06 = 3,918.98 : x
  2. Step 2: Convert to fraction form
    7,432.69/11,144.06 = 3,918.98/x
  3. Step 3: Cross multiply
    7,432.69x = 11,144.06 × 3,918.98
  4. Step 4: Simplify right side
    7,432.69x = 43,673,360.20
  5. Step 5: Solve for x
    x = 43,673,360.20/7,432.69
  6. Step 6: Final answer
    x = 5,875.85

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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.