Home / 10,076.12-13,905.28-5,600.32

Finding the Fourth Proportional to 10,076.12, 13,905.28 and 5,600.32

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Solution

The fourth proportional to 10,076.12, 13,905.28 and 5,600.32 is: 7,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.12 : 13,905.28 = 5,600.32 : x
  2. Step 2: Convert to fraction form
    10,076.12/13,905.28 = 5,600.32/x
  3. Step 3: Cross multiply
    10,076.12x = 13,905.28 × 5,600.32
  4. Step 4: Simplify right side
    10,076.12x = 77,874,017.69
  5. Step 5: Solve for x
    x = 77,874,017.69/10,076.12
  6. Step 6: Final answer
    x = 7,728.57

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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.