Home / 7,625.25-10,519.63-5,108.18

Finding the Fourth Proportional to 7,625.25, 10,519.63 and 5,108.18

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Solution

The fourth proportional to 7,625.25, 10,519.63 and 5,108.18 is: 7,047.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.25 : 10,519.63 = 5,108.18 : x
  2. Step 2: Convert to fraction form
    7,625.25/10,519.63 = 5,108.18/x
  3. Step 3: Cross multiply
    7,625.25x = 10,519.63 × 5,108.18
  4. Step 4: Simplify right side
    7,625.25x = 53,736,098.20
  5. Step 5: Solve for x
    x = 53,736,098.20/7,625.25
  6. Step 6: Final answer
    x = 7,047.13

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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.