Home / 10,994.28-15,192.20-8,004.91

Finding the Fourth Proportional to 10,994.28, 15,192.20 and 8,004.91

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Solution

The fourth proportional to 10,994.28, 15,192.20 and 8,004.91 is: 11,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.28 : 15,192.20 = 8,004.91 : x
  2. Step 2: Convert to fraction form
    10,994.28/15,192.20 = 8,004.91/x
  3. Step 3: Cross multiply
    10,994.28x = 15,192.20 × 8,004.91
  4. Step 4: Simplify right side
    10,994.28x = 121,612,077.72
  5. Step 5: Solve for x
    x = 121,612,077.72/10,994.28
  6. Step 6: Final answer
    x = 11,061.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.