Home / 11,007.57-15,188.07-6,532.80

Finding the Fourth Proportional to 11,007.57, 15,188.07 and 6,532.80

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Solution

The fourth proportional to 11,007.57, 15,188.07 and 6,532.80 is: 9,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.57 : 15,188.07 = 6,532.80 : x
  2. Step 2: Convert to fraction form
    11,007.57/15,188.07 = 6,532.80/x
  3. Step 3: Cross multiply
    11,007.57x = 15,188.07 × 6,532.80
  4. Step 4: Simplify right side
    11,007.57x = 99,220,623.70
  5. Step 5: Solve for x
    x = 99,220,623.70/11,007.57
  6. Step 6: Final answer
    x = 9,013.85

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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.