Home / 6,616.64-9,925.86-3,110.24

Finding the Fourth Proportional to 6,616.64, 9,925.86 and 3,110.24

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Solution

The fourth proportional to 6,616.64, 9,925.86 and 3,110.24 is: 4,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.64 : 9,925.86 = 3,110.24 : x
  2. Step 2: Convert to fraction form
    6,616.64/9,925.86 = 3,110.24/x
  3. Step 3: Cross multiply
    6,616.64x = 9,925.86 × 3,110.24
  4. Step 4: Simplify right side
    6,616.64x = 30,871,806.81
  5. Step 5: Solve for x
    x = 30,871,806.81/6,616.64
  6. Step 6: Final answer
    x = 4,665.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.