Home / 7,616.41-11,427.65-2,686.55

Finding the Fourth Proportional to 7,616.41, 11,427.65 and 2,686.55

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Solution

The fourth proportional to 7,616.41, 11,427.65 and 2,686.55 is: 4,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.41 : 11,427.65 = 2,686.55 : x
  2. Step 2: Convert to fraction form
    7,616.41/11,427.65 = 2,686.55/x
  3. Step 3: Cross multiply
    7,616.41x = 11,427.65 × 2,686.55
  4. Step 4: Simplify right side
    7,616.41x = 30,700,939.67
  5. Step 5: Solve for x
    x = 30,700,939.67/7,616.41
  6. Step 6: Final answer
    x = 4,030.90

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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.