Home / 10,133.46-15,200.37-5,457.30

Finding the Fourth Proportional to 10,133.46, 15,200.37 and 5,457.30

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Solution

The fourth proportional to 10,133.46, 15,200.37 and 5,457.30 is: 8,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.46 : 15,200.37 = 5,457.30 : x
  2. Step 2: Convert to fraction form
    10,133.46/15,200.37 = 5,457.30/x
  3. Step 3: Cross multiply
    10,133.46x = 15,200.37 × 5,457.30
  4. Step 4: Simplify right side
    10,133.46x = 82,952,979.20
  5. Step 5: Solve for x
    x = 82,952,979.20/10,133.46
  6. Step 6: Final answer
    x = 8,186.05

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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.