Home / 9,973.62-13,765.70-5,725.36

Finding the Fourth Proportional to 9,973.62, 13,765.70 and 5,725.36

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Solution

The fourth proportional to 9,973.62, 13,765.70 and 5,725.36 is: 7,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,973.62 : 13,765.70 = 5,725.36 : x
  2. Step 2: Convert to fraction form
    9,973.62/13,765.70 = 5,725.36/x
  3. Step 3: Cross multiply
    9,973.62x = 13,765.70 × 5,725.36
  4. Step 4: Simplify right side
    9,973.62x = 78,813,588.15
  5. Step 5: Solve for x
    x = 78,813,588.15/9,973.62
  6. Step 6: Final answer
    x = 7,902.20

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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.