Home / 9,966.39-14,949.57-3,040.89

Finding the Fourth Proportional to 9,966.39, 14,949.57 and 3,040.89

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Solution

The fourth proportional to 9,966.39, 14,949.57 and 3,040.89 is: 4,561.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.39 : 14,949.57 = 3,040.89 : x
  2. Step 2: Convert to fraction form
    9,966.39/14,949.57 = 3,040.89/x
  3. Step 3: Cross multiply
    9,966.39x = 14,949.57 × 3,040.89
  4. Step 4: Simplify right side
    9,966.39x = 45,459,997.92
  5. Step 5: Solve for x
    x = 45,459,997.92/9,966.39
  6. Step 6: Final answer
    x = 4,561.33

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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.