Home / 10,201.28-14,077.40-5,725.22

Finding the Fourth Proportional to 10,201.28, 14,077.40 and 5,725.22

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Solution

The fourth proportional to 10,201.28, 14,077.40 and 5,725.22 is: 7,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.28 : 14,077.40 = 5,725.22 : x
  2. Step 2: Convert to fraction form
    10,201.28/14,077.40 = 5,725.22/x
  3. Step 3: Cross multiply
    10,201.28x = 14,077.40 × 5,725.22
  4. Step 4: Simplify right side
    10,201.28x = 80,596,113.01
  5. Step 5: Solve for x
    x = 80,596,113.01/10,201.28
  6. Step 6: Final answer
    x = 7,900.59

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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.