Home / 7,618.16-10,513.36-4,474.32

Finding the Fourth Proportional to 7,618.16, 10,513.36 and 4,474.32

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Solution

The fourth proportional to 7,618.16, 10,513.36 and 4,474.32 is: 6,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.16 : 10,513.36 = 4,474.32 : x
  2. Step 2: Convert to fraction form
    7,618.16/10,513.36 = 4,474.32/x
  3. Step 3: Cross multiply
    7,618.16x = 10,513.36 × 4,474.32
  4. Step 4: Simplify right side
    7,618.16x = 47,040,136.92
  5. Step 5: Solve for x
    x = 47,040,136.92/7,618.16
  6. Step 6: Final answer
    x = 6,174.74

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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.