Home / 8,107.29-11,187.72-4,570.83

Finding the Fourth Proportional to 8,107.29, 11,187.72 and 4,570.83

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Solution

The fourth proportional to 8,107.29, 11,187.72 and 4,570.83 is: 6,307.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.29 : 11,187.72 = 4,570.83 : x
  2. Step 2: Convert to fraction form
    8,107.29/11,187.72 = 4,570.83/x
  3. Step 3: Cross multiply
    8,107.29x = 11,187.72 × 4,570.83
  4. Step 4: Simplify right side
    8,107.29x = 51,137,166.21
  5. Step 5: Solve for x
    x = 51,137,166.21/8,107.29
  6. Step 6: Final answer
    x = 6,307.55

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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.