Home / 10,530.99-15,784.34-3,952.98

Finding the Fourth Proportional to 10,530.99, 15,784.34 and 3,952.98

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Solution

The fourth proportional to 10,530.99, 15,784.34 and 3,952.98 is: 5,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.99 : 15,784.34 = 3,952.98 : x
  2. Step 2: Convert to fraction form
    10,530.99/15,784.34 = 3,952.98/x
  3. Step 3: Cross multiply
    10,530.99x = 15,784.34 × 3,952.98
  4. Step 4: Simplify right side
    10,530.99x = 62,395,160.57
  5. Step 5: Solve for x
    x = 62,395,160.57/10,530.99
  6. Step 6: Final answer
    x = 5,924.91

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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.