Home / 10,129.29-15,189.48-4,582.41

Finding the Fourth Proportional to 10,129.29, 15,189.48 and 4,582.41

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Solution

The fourth proportional to 10,129.29, 15,189.48 and 4,582.41 is: 6,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.29 : 15,189.48 = 4,582.41 : x
  2. Step 2: Convert to fraction form
    10,129.29/15,189.48 = 4,582.41/x
  3. Step 3: Cross multiply
    10,129.29x = 15,189.48 × 4,582.41
  4. Step 4: Simplify right side
    10,129.29x = 69,604,425.05
  5. Step 5: Solve for x
    x = 69,604,425.05/10,129.29
  6. Step 6: Final answer
    x = 6,871.60

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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.