Home / 10,006.56-15,008.13-4,161.60

Finding the Fourth Proportional to 10,006.56, 15,008.13 and 4,161.60

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Solution

The fourth proportional to 10,006.56, 15,008.13 and 4,161.60 is: 6,241.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.56 : 15,008.13 = 4,161.60 : x
  2. Step 2: Convert to fraction form
    10,006.56/15,008.13 = 4,161.60/x
  3. Step 3: Cross multiply
    10,006.56x = 15,008.13 × 4,161.60
  4. Step 4: Simplify right side
    10,006.56x = 62,457,833.81
  5. Step 5: Solve for x
    x = 62,457,833.81/10,006.56
  6. Step 6: Final answer
    x = 6,241.69

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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.