Home / 7,899.36-11,854.08-4,619.04

Finding the Fourth Proportional to 7,899.36, 11,854.08 and 4,619.04

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Solution

The fourth proportional to 7,899.36, 11,854.08 and 4,619.04 is: 6,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.36 : 11,854.08 = 4,619.04 : x
  2. Step 2: Convert to fraction form
    7,899.36/11,854.08 = 4,619.04/x
  3. Step 3: Cross multiply
    7,899.36x = 11,854.08 × 4,619.04
  4. Step 4: Simplify right side
    7,899.36x = 54,754,469.68
  5. Step 5: Solve for x
    x = 54,754,469.68/7,899.36
  6. Step 6: Final answer
    x = 6,931.51

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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.