Home / 7,706.16-11,560.86-2,515.68

Finding the Fourth Proportional to 7,706.16, 11,560.86 and 2,515.68

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Solution

The fourth proportional to 7,706.16, 11,560.86 and 2,515.68 is: 3,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.16 : 11,560.86 = 2,515.68 : x
  2. Step 2: Convert to fraction form
    7,706.16/11,560.86 = 2,515.68/x
  3. Step 3: Cross multiply
    7,706.16x = 11,560.86 × 2,515.68
  4. Step 4: Simplify right side
    7,706.16x = 29,083,424.28
  5. Step 5: Solve for x
    x = 29,083,424.28/7,706.16
  6. Step 6: Final answer
    x = 3,774.05

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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.