Home / 10,254.13-15,379.98-3,328.63

Finding the Fourth Proportional to 10,254.13, 15,379.98 and 3,328.63

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Solution

The fourth proportional to 10,254.13, 15,379.98 and 3,328.63 is: 4,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254.13 : 15,379.98 = 3,328.63 : x
  2. Step 2: Convert to fraction form
    10,254.13/15,379.98 = 3,328.63/x
  3. Step 3: Cross multiply
    10,254.13x = 15,379.98 × 3,328.63
  4. Step 4: Simplify right side
    10,254.13x = 51,194,262.83
  5. Step 5: Solve for x
    x = 51,194,262.83/10,254.13
  6. Step 6: Final answer
    x = 4,992.55

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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.