Home / 7,853.06-11,780.36-2,585.92

Finding the Fourth Proportional to 7,853.06, 11,780.36 and 2,585.92

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Solution

The fourth proportional to 7,853.06, 11,780.36 and 2,585.92 is: 3,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.06 : 11,780.36 = 2,585.92 : x
  2. Step 2: Convert to fraction form
    7,853.06/11,780.36 = 2,585.92/x
  3. Step 3: Cross multiply
    7,853.06x = 11,780.36 × 2,585.92
  4. Step 4: Simplify right side
    7,853.06x = 30,463,068.53
  5. Step 5: Solve for x
    x = 30,463,068.53/7,853.06
  6. Step 6: Final answer
    x = 3,879.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.