Home / 12,150.37-16,767.10-7,434.65

Finding the Fourth Proportional to 12,150.37, 16,767.10 and 7,434.65

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Solution

The fourth proportional to 12,150.37, 16,767.10 and 7,434.65 is: 10,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.37 : 16,767.10 = 7,434.65 : x
  2. Step 2: Convert to fraction form
    12,150.37/16,767.10 = 7,434.65/x
  3. Step 3: Cross multiply
    12,150.37x = 16,767.10 × 7,434.65
  4. Step 4: Simplify right side
    12,150.37x = 124,657,571.23
  5. Step 5: Solve for x
    x = 124,657,571.23/12,150.37
  6. Step 6: Final answer
    x = 10,259.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.