Home / 8,980.07-13,425.75-7,608.74

Finding the Fourth Proportional to 8,980.07, 13,425.75 and 7,608.74

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Solution

The fourth proportional to 8,980.07, 13,425.75 and 7,608.74 is: 11,375.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.07 : 13,425.75 = 7,608.74 : x
  2. Step 2: Convert to fraction form
    8,980.07/13,425.75 = 7,608.74/x
  3. Step 3: Cross multiply
    8,980.07x = 13,425.75 × 7,608.74
  4. Step 4: Simplify right side
    8,980.07x = 102,152,973.93
  5. Step 5: Solve for x
    x = 102,152,973.93/8,980.07
  6. Step 6: Final answer
    x = 11,375.53

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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.