Home / 8,835.22-12,191.29-5,057.79

Finding the Fourth Proportional to 8,835.22, 12,191.29 and 5,057.79

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Solution

The fourth proportional to 8,835.22, 12,191.29 and 5,057.79 is: 6,979.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.22 : 12,191.29 = 5,057.79 : x
  2. Step 2: Convert to fraction form
    8,835.22/12,191.29 = 5,057.79/x
  3. Step 3: Cross multiply
    8,835.22x = 12,191.29 × 5,057.79
  4. Step 4: Simplify right side
    8,835.22x = 61,660,984.65
  5. Step 5: Solve for x
    x = 61,660,984.65/8,835.22
  6. Step 6: Final answer
    x = 6,979.00

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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.