Home / 7,938.41-10,959.96-5,110.68

Finding the Fourth Proportional to 7,938.41, 10,959.96 and 5,110.68

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Solution

The fourth proportional to 7,938.41, 10,959.96 and 5,110.68 is: 7,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.41 : 10,959.96 = 5,110.68 : x
  2. Step 2: Convert to fraction form
    7,938.41/10,959.96 = 5,110.68/x
  3. Step 3: Cross multiply
    7,938.41x = 10,959.96 × 5,110.68
  4. Step 4: Simplify right side
    7,938.41x = 56,012,863.00
  5. Step 5: Solve for x
    x = 56,012,863.00/7,938.41
  6. Step 6: Final answer
    x = 7,055.93

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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.