Home / 10,939.53-15,094.56-6,158.73

Finding the Fourth Proportional to 10,939.53, 15,094.56 and 6,158.73

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Solution

The fourth proportional to 10,939.53, 15,094.56 and 6,158.73 is: 8,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.53 : 15,094.56 = 6,158.73 : x
  2. Step 2: Convert to fraction form
    10,939.53/15,094.56 = 6,158.73/x
  3. Step 3: Cross multiply
    10,939.53x = 15,094.56 × 6,158.73
  4. Step 4: Simplify right side
    10,939.53x = 92,963,319.51
  5. Step 5: Solve for x
    x = 92,963,319.51/10,939.53
  6. Step 6: Final answer
    x = 8,497.93

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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.