Home / 7,625.79-10,522.63-4,440.12

Finding the Fourth Proportional to 7,625.79, 10,522.63 and 4,440.12

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Solution

The fourth proportional to 7,625.79, 10,522.63 and 4,440.12 is: 6,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.79 : 10,522.63 = 4,440.12 : x
  2. Step 2: Convert to fraction form
    7,625.79/10,522.63 = 4,440.12/x
  3. Step 3: Cross multiply
    7,625.79x = 10,522.63 × 4,440.12
  4. Step 4: Simplify right side
    7,625.79x = 46,721,739.92
  5. Step 5: Solve for x
    x = 46,721,739.92/7,625.79
  6. Step 6: Final answer
    x = 6,126.81

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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.