Home / 10,259.99-15,390.73-3,686.23

Finding the Fourth Proportional to 10,259.99, 15,390.73 and 3,686.23

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Solution

The fourth proportional to 10,259.99, 15,390.73 and 3,686.23 is: 5,529.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,259.99 : 15,390.73 = 3,686.23 : x
  2. Step 2: Convert to fraction form
    10,259.99/15,390.73 = 3,686.23/x
  3. Step 3: Cross multiply
    10,259.99x = 15,390.73 × 3,686.23
  4. Step 4: Simplify right side
    10,259.99x = 56,733,770.65
  5. Step 5: Solve for x
    x = 56,733,770.65/10,259.99
  6. Step 6: Final answer
    x = 5,529.61

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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.