Home / 10,433.51-15,649.86-4,191.65

Finding the Fourth Proportional to 10,433.51, 15,649.86 and 4,191.65

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Solution

The fourth proportional to 10,433.51, 15,649.86 and 4,191.65 is: 6,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.51 : 15,649.86 = 4,191.65 : x
  2. Step 2: Convert to fraction form
    10,433.51/15,649.86 = 4,191.65/x
  3. Step 3: Cross multiply
    10,433.51x = 15,649.86 × 4,191.65
  4. Step 4: Simplify right side
    10,433.51x = 65,598,735.67
  5. Step 5: Solve for x
    x = 65,598,735.67/10,433.51
  6. Step 6: Final answer
    x = 6,287.31

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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.