Home / 9,269.15-12,788.75-5,235.77

Finding the Fourth Proportional to 9,269.15, 12,788.75 and 5,235.77

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Solution

The fourth proportional to 9,269.15, 12,788.75 and 5,235.77 is: 7,223.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.15 : 12,788.75 = 5,235.77 : x
  2. Step 2: Convert to fraction form
    9,269.15/12,788.75 = 5,235.77/x
  3. Step 3: Cross multiply
    9,269.15x = 12,788.75 × 5,235.77
  4. Step 4: Simplify right side
    9,269.15x = 66,958,998.65
  5. Step 5: Solve for x
    x = 66,958,998.65/9,269.15
  6. Step 6: Final answer
    x = 7,223.85

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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.