Home / 10,095.13-15,142.83-3,169.63

Finding the Fourth Proportional to 10,095.13, 15,142.83 and 3,169.63

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Solution

The fourth proportional to 10,095.13, 15,142.83 and 3,169.63 is: 4,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.13 : 15,142.83 = 3,169.63 : x
  2. Step 2: Convert to fraction form
    10,095.13/15,142.83 = 3,169.63/x
  3. Step 3: Cross multiply
    10,095.13x = 15,142.83 × 3,169.63
  4. Step 4: Simplify right side
    10,095.13x = 47,997,076.69
  5. Step 5: Solve for x
    x = 47,997,076.69/10,095.13
  6. Step 6: Final answer
    x = 4,754.48

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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.