Home / 7,784.15-11,674.71-3,566.49

Finding the Fourth Proportional to 7,784.15, 11,674.71 and 3,566.49

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Solution

The fourth proportional to 7,784.15, 11,674.71 and 3,566.49 is: 5,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.15 : 11,674.71 = 3,566.49 : x
  2. Step 2: Convert to fraction form
    7,784.15/11,674.71 = 3,566.49/x
  3. Step 3: Cross multiply
    7,784.15x = 11,674.71 × 3,566.49
  4. Step 4: Simplify right side
    7,784.15x = 41,637,736.47
  5. Step 5: Solve for x
    x = 41,637,736.47/7,784.15
  6. Step 6: Final answer
    x = 5,349.04

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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.