Home / 7,863.41-10,852.56-7,199.07

Finding the Fourth Proportional to 7,863.41, 10,852.56 and 7,199.07

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Solution

The fourth proportional to 7,863.41, 10,852.56 and 7,199.07 is: 9,935.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.41 : 10,852.56 = 7,199.07 : x
  2. Step 2: Convert to fraction form
    7,863.41/10,852.56 = 7,199.07/x
  3. Step 3: Cross multiply
    7,863.41x = 10,852.56 × 7,199.07
  4. Step 4: Simplify right side
    7,863.41x = 78,128,339.12
  5. Step 5: Solve for x
    x = 78,128,339.12/7,863.41
  6. Step 6: Final answer
    x = 9,935.68

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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.