Home / 10,076.32-15,122.70-4,882.18

Finding the Fourth Proportional to 10,076.32, 15,122.70 and 4,882.18

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Solution

The fourth proportional to 10,076.32, 15,122.70 and 4,882.18 is: 7,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.32 : 15,122.70 = 4,882.18 : x
  2. Step 2: Convert to fraction form
    10,076.32/15,122.70 = 4,882.18/x
  3. Step 3: Cross multiply
    10,076.32x = 15,122.70 × 4,882.18
  4. Step 4: Simplify right side
    10,076.32x = 73,831,743.49
  5. Step 5: Solve for x
    x = 73,831,743.49/10,076.32
  6. Step 6: Final answer
    x = 7,327.25

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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.