Home / 10,076.64-13,905.54-5,600.25

Finding the Fourth Proportional to 10,076.64, 13,905.54 and 5,600.25

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Solution

The fourth proportional to 10,076.64, 13,905.54 and 5,600.25 is: 7,728.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.64 : 13,905.54 = 5,600.25 : x
  2. Step 2: Convert to fraction form
    10,076.64/13,905.54 = 5,600.25/x
  3. Step 3: Cross multiply
    10,076.64x = 13,905.54 × 5,600.25
  4. Step 4: Simplify right side
    10,076.64x = 77,874,500.39
  5. Step 5: Solve for x
    x = 77,874,500.39/10,076.64
  6. Step 6: Final answer
    x = 7,728.22

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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.