Home / 6,292.48-8,694.57-5,172.57

Finding the Fourth Proportional to 6,292.48, 8,694.57 and 5,172.57

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Solution

The fourth proportional to 6,292.48, 8,694.57 and 5,172.57 is: 7,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292.48 : 8,694.57 = 5,172.57 : x
  2. Step 2: Convert to fraction form
    6,292.48/8,694.57 = 5,172.57/x
  3. Step 3: Cross multiply
    6,292.48x = 8,694.57 × 5,172.57
  4. Step 4: Simplify right side
    6,292.48x = 44,973,271.94
  5. Step 5: Solve for x
    x = 44,973,271.94/6,292.48
  6. Step 6: Final answer
    x = 7,147.15

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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.