Home / 7,618.88-10,513.98-4,634.16

Finding the Fourth Proportional to 7,618.88, 10,513.98 and 4,634.16

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Solution

The fourth proportional to 7,618.88, 10,513.98 and 4,634.16 is: 6,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.88 : 10,513.98 = 4,634.16 : x
  2. Step 2: Convert to fraction form
    7,618.88/10,513.98 = 4,634.16/x
  3. Step 3: Cross multiply
    7,618.88x = 10,513.98 × 4,634.16
  4. Step 4: Simplify right side
    7,618.88x = 48,723,465.56
  5. Step 5: Solve for x
    x = 48,723,465.56/7,618.88
  6. Step 6: Final answer
    x = 6,395.10

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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.