Home / 12,037.88-18,055.65-3,715.65

Finding the Fourth Proportional to 12,037.88, 18,055.65 and 3,715.65

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Solution

The fourth proportional to 12,037.88, 18,055.65 and 3,715.65 is: 5,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037.88 : 18,055.65 = 3,715.65 : x
  2. Step 2: Convert to fraction form
    12,037.88/18,055.65 = 3,715.65/x
  3. Step 3: Cross multiply
    12,037.88x = 18,055.65 × 3,715.65
  4. Step 4: Simplify right side
    12,037.88x = 67,088,475.92
  5. Step 5: Solve for x
    x = 67,088,475.92/12,037.88
  6. Step 6: Final answer
    x = 5,573.12

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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.