Home / 10,160.56-15,245.37-6,461.80

Finding the Fourth Proportional to 10,160.56, 15,245.37 and 6,461.80

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Solution

The fourth proportional to 10,160.56, 15,245.37 and 6,461.80 is: 9,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,160.56 : 15,245.37 = 6,461.80 : x
  2. Step 2: Convert to fraction form
    10,160.56/15,245.37 = 6,461.80/x
  3. Step 3: Cross multiply
    10,160.56x = 15,245.37 × 6,461.80
  4. Step 4: Simplify right side
    10,160.56x = 98,512,531.87
  5. Step 5: Solve for x
    x = 98,512,531.87/10,160.56
  6. Step 6: Final answer
    x = 9,695.58

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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.