Home / 11,201.07-15,459.81-6,725.01

Finding the Fourth Proportional to 11,201.07, 15,459.81 and 6,725.01

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Solution

The fourth proportional to 11,201.07, 15,459.81 and 6,725.01 is: 9,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.07 : 15,459.81 = 6,725.01 : x
  2. Step 2: Convert to fraction form
    11,201.07/15,459.81 = 6,725.01/x
  3. Step 3: Cross multiply
    11,201.07x = 15,459.81 × 6,725.01
  4. Step 4: Simplify right side
    11,201.07x = 103,967,265.92
  5. Step 5: Solve for x
    x = 103,967,265.92/11,201.07
  6. Step 6: Final answer
    x = 9,281.91

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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.