Home / 10,357.12-15,530.89-3,335.83

Finding the Fourth Proportional to 10,357.12, 15,530.89 and 3,335.83

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Solution

The fourth proportional to 10,357.12, 15,530.89 and 3,335.83 is: 5,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.12 : 15,530.89 = 3,335.83 : x
  2. Step 2: Convert to fraction form
    10,357.12/15,530.89 = 3,335.83/x
  3. Step 3: Cross multiply
    10,357.12x = 15,530.89 × 3,335.83
  4. Step 4: Simplify right side
    10,357.12x = 51,808,408.79
  5. Step 5: Solve for x
    x = 51,808,408.79/10,357.12
  6. Step 6: Final answer
    x = 5,002.20

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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.