Home / 10,435.33-15,649.40-6,943.71

Finding the Fourth Proportional to 10,435.33, 15,649.40 and 6,943.71

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Solution

The fourth proportional to 10,435.33, 15,649.40 and 6,943.71 is: 10,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.33 : 15,649.40 = 6,943.71 : x
  2. Step 2: Convert to fraction form
    10,435.33/15,649.40 = 6,943.71/x
  3. Step 3: Cross multiply
    10,435.33x = 15,649.40 × 6,943.71
  4. Step 4: Simplify right side
    10,435.33x = 108,664,860.56
  5. Step 5: Solve for x
    x = 108,664,860.56/10,435.33
  6. Step 6: Final answer
    x = 10,413.17

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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.