Home / 10,218.24-15,323.58-3,642.66

Finding the Fourth Proportional to 10,218.24, 15,323.58 and 3,642.66

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Solution

The fourth proportional to 10,218.24, 15,323.58 and 3,642.66 is: 5,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.24 : 15,323.58 = 3,642.66 : x
  2. Step 2: Convert to fraction form
    10,218.24/15,323.58 = 3,642.66/x
  3. Step 3: Cross multiply
    10,218.24x = 15,323.58 × 3,642.66
  4. Step 4: Simplify right side
    10,218.24x = 55,818,591.92
  5. Step 5: Solve for x
    x = 55,818,591.92/10,218.24
  6. Step 6: Final answer
    x = 5,462.64

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1.5x scale

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.