Home / 9,949.70-13,730.36-5,473.35

Finding the Fourth Proportional to 9,949.70, 13,730.36 and 5,473.35

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Solution

The fourth proportional to 9,949.70, 13,730.36 and 5,473.35 is: 7,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.70 : 13,730.36 = 5,473.35 : x
  2. Step 2: Convert to fraction form
    9,949.70/13,730.36 = 5,473.35/x
  3. Step 3: Cross multiply
    9,949.70x = 13,730.36 × 5,473.35
  4. Step 4: Simplify right side
    9,949.70x = 75,151,038.54
  5. Step 5: Solve for x
    x = 75,151,038.54/9,949.70
  6. Step 6: Final answer
    x = 7,553.10

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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.