Home / 12,005.14-16,568.01-6,628.62

Finding the Fourth Proportional to 12,005.14, 16,568.01 and 6,628.62

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Solution

The fourth proportional to 12,005.14, 16,568.01 and 6,628.62 is: 9,148.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005.14 : 16,568.01 = 6,628.62 : x
  2. Step 2: Convert to fraction form
    12,005.14/16,568.01 = 6,628.62/x
  3. Step 3: Cross multiply
    12,005.14x = 16,568.01 × 6,628.62
  4. Step 4: Simplify right side
    12,005.14x = 109,823,005.17
  5. Step 5: Solve for x
    x = 109,823,005.17/12,005.14
  6. Step 6: Final answer
    x = 9,148.00

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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.