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Finding the Fourth Proportional to 7,135.95, 9,841.10 and 6,127.34

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Solution

The fourth proportional to 7,135.95, 9,841.10 and 6,127.34 is: 8,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.95 : 9,841.10 = 6,127.34 : x
  2. Step 2: Convert to fraction form
    7,135.95/9,841.10 = 6,127.34/x
  3. Step 3: Cross multiply
    7,135.95x = 9,841.10 × 6,127.34
  4. Step 4: Simplify right side
    7,135.95x = 60,299,708.81
  5. Step 5: Solve for x
    x = 60,299,708.81/7,135.95
  6. Step 6: Final answer
    x = 8,450.13

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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.