Home / 12,354.26-18,525.71-5,330.91

Finding the Fourth Proportional to 12,354.26, 18,525.71 and 5,330.91

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Solution

The fourth proportional to 12,354.26, 18,525.71 and 5,330.91 is: 7,993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354.26 : 18,525.71 = 5,330.91 : x
  2. Step 2: Convert to fraction form
    12,354.26/18,525.71 = 5,330.91/x
  3. Step 3: Cross multiply
    12,354.26x = 18,525.71 × 5,330.91
  4. Step 4: Simplify right side
    12,354.26x = 98,758,866.04
  5. Step 5: Solve for x
    x = 98,758,866.04/12,354.26
  6. Step 6: Final answer
    x = 7,993.92

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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.