Home / 9,515.45-13,135.68-6,792.07

Finding the Fourth Proportional to 9,515.45, 13,135.68 and 6,792.07

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Solution

The fourth proportional to 9,515.45, 13,135.68 and 6,792.07 is: 9,376.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.45 : 13,135.68 = 6,792.07 : x
  2. Step 2: Convert to fraction form
    9,515.45/13,135.68 = 6,792.07/x
  3. Step 3: Cross multiply
    9,515.45x = 13,135.68 × 6,792.07
  4. Step 4: Simplify right side
    9,515.45x = 89,218,403.98
  5. Step 5: Solve for x
    x = 89,218,403.98/9,515.45
  6. Step 6: Final answer
    x = 9,376.16

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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.