Home / 9,118.94-12,584.70-5,582.48

Finding the Fourth Proportional to 9,118.94, 12,584.70 and 5,582.48

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Solution

The fourth proportional to 9,118.94, 12,584.70 and 5,582.48 is: 7,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.94 : 12,584.70 = 5,582.48 : x
  2. Step 2: Convert to fraction form
    9,118.94/12,584.70 = 5,582.48/x
  3. Step 3: Cross multiply
    9,118.94x = 12,584.70 × 5,582.48
  4. Step 4: Simplify right side
    9,118.94x = 70,253,773.13
  5. Step 5: Solve for x
    x = 70,253,773.13/9,118.94
  6. Step 6: Final answer
    x = 7,704.16

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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.