Home / 10,908.12-15,053.42-6,192.72

Finding the Fourth Proportional to 10,908.12, 15,053.42 and 6,192.72

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Solution

The fourth proportional to 10,908.12, 15,053.42 and 6,192.72 is: 8,546.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.12 : 15,053.42 = 6,192.72 : x
  2. Step 2: Convert to fraction form
    10,908.12/15,053.42 = 6,192.72/x
  3. Step 3: Cross multiply
    10,908.12x = 15,053.42 × 6,192.72
  4. Step 4: Simplify right side
    10,908.12x = 93,221,615.10
  5. Step 5: Solve for x
    x = 93,221,615.10/10,908.12
  6. Step 6: Final answer
    x = 8,546.08

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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.