Home / 10,108.13-15,162.80-3,182.63

Finding the Fourth Proportional to 10,108.13, 15,162.80 and 3,182.63

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Solution

The fourth proportional to 10,108.13, 15,162.80 and 3,182.63 is: 4,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.13 : 15,162.80 = 3,182.63 : x
  2. Step 2: Convert to fraction form
    10,108.13/15,162.80 = 3,182.63/x
  3. Step 3: Cross multiply
    10,108.13x = 15,162.80 × 3,182.63
  4. Step 4: Simplify right side
    10,108.13x = 48,257,490.44
  5. Step 5: Solve for x
    x = 48,257,490.44/10,108.13
  6. Step 6: Final answer
    x = 4,774.13

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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.