Home / 9,021.99-12,449.91-5,043.07

Finding the Fourth Proportional to 9,021.99, 12,449.91 and 5,043.07

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Solution

The fourth proportional to 9,021.99, 12,449.91 and 5,043.07 is: 6,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.99 : 12,449.91 = 5,043.07 : x
  2. Step 2: Convert to fraction form
    9,021.99/12,449.91 = 5,043.07/x
  3. Step 3: Cross multiply
    9,021.99x = 12,449.91 × 5,043.07
  4. Step 4: Simplify right side
    9,021.99x = 62,785,767.62
  5. Step 5: Solve for x
    x = 62,785,767.62/9,021.99
  6. Step 6: Final answer
    x = 6,959.19

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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.