Home / 9,260.19-12,776.54-5,279.85

Finding the Fourth Proportional to 9,260.19, 12,776.54 and 5,279.85

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Solution

The fourth proportional to 9,260.19, 12,776.54 and 5,279.85 is: 7,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.19 : 12,776.54 = 5,279.85 : x
  2. Step 2: Convert to fraction form
    9,260.19/12,776.54 = 5,279.85/x
  3. Step 3: Cross multiply
    9,260.19x = 12,776.54 × 5,279.85
  4. Step 4: Simplify right side
    9,260.19x = 67,458,188.32
  5. Step 5: Solve for x
    x = 67,458,188.32/9,260.19
  6. Step 6: Final answer
    x = 7,284.75

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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.