Home / 11,344.67-15,653.34-6,628.04

Finding the Fourth Proportional to 11,344.67, 15,653.34 and 6,628.04

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Solution

The fourth proportional to 11,344.67, 15,653.34 and 6,628.04 is: 9,145.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.67 : 15,653.34 = 6,628.04 : x
  2. Step 2: Convert to fraction form
    11,344.67/15,653.34 = 6,628.04/x
  3. Step 3: Cross multiply
    11,344.67x = 15,653.34 × 6,628.04
  4. Step 4: Simplify right side
    11,344.67x = 103,750,901.96
  5. Step 5: Solve for x
    x = 103,750,901.96/11,344.67
  6. Step 6: Final answer
    x = 9,145.35

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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.