Home / 8,303.13-11,451.99-5,785.23

Finding the Fourth Proportional to 8,303.13, 11,451.99 and 5,785.23

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Solution

The fourth proportional to 8,303.13, 11,451.99 and 5,785.23 is: 7,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.13 : 11,451.99 = 5,785.23 : x
  2. Step 2: Convert to fraction form
    8,303.13/11,451.99 = 5,785.23/x
  3. Step 3: Cross multiply
    8,303.13x = 11,451.99 × 5,785.23
  4. Step 4: Simplify right side
    8,303.13x = 66,252,396.11
  5. Step 5: Solve for x
    x = 66,252,396.11/8,303.13
  6. Step 6: Final answer
    x = 7,979.21

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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.