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Finding the Fourth Proportional to 7,957.11, 12,010.45 and 7,957.11

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Solution

The fourth proportional to 7,957.11, 12,010.45 and 7,957.11 is: 12,010.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.11 : 12,010.45 = 7,957.11 : x
  2. Step 2: Convert to fraction form
    7,957.11/12,010.45 = 7,957.11/x
  3. Step 3: Cross multiply
    7,957.11x = 12,010.45 × 7,957.11
  4. Step 4: Simplify right side
    7,957.11x = 95,568,496.95
  5. Step 5: Solve for x
    x = 95,568,496.95/7,957.11
  6. Step 6: Final answer
    x = 12,010.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.