Home / 8,740.68-12,048.09-5,907.18

Finding the Fourth Proportional to 8,740.68, 12,048.09 and 5,907.18

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Solution

The fourth proportional to 8,740.68, 12,048.09 and 5,907.18 is: 8,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.68 : 12,048.09 = 5,907.18 : x
  2. Step 2: Convert to fraction form
    8,740.68/12,048.09 = 5,907.18/x
  3. Step 3: Cross multiply
    8,740.68x = 12,048.09 × 5,907.18
  4. Step 4: Simplify right side
    8,740.68x = 71,170,236.29
  5. Step 5: Solve for x
    x = 71,170,236.29/8,740.68
  6. Step 6: Final answer
    x = 8,142.41

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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.