Home / 7,666.14-11,497.98-2,118.45

Finding the Fourth Proportional to 7,666.14, 11,497.98 and 2,118.45

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Solution

The fourth proportional to 7,666.14, 11,497.98 and 2,118.45 is: 3,177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.14 : 11,497.98 = 2,118.45 : x
  2. Step 2: Convert to fraction form
    7,666.14/11,497.98 = 2,118.45/x
  3. Step 3: Cross multiply
    7,666.14x = 11,497.98 × 2,118.45
  4. Step 4: Simplify right side
    7,666.14x = 24,357,895.73
  5. Step 5: Solve for x
    x = 24,357,895.73/7,666.14
  6. Step 6: Final answer
    x = 3,177.34

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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.