Home / 10,077.14-13,905.84-5,600.75

Finding the Fourth Proportional to 10,077.14, 13,905.84 and 5,600.75

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Solution

The fourth proportional to 10,077.14, 13,905.84 and 5,600.75 is: 7,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.14 : 13,905.84 = 5,600.75 : x
  2. Step 2: Convert to fraction form
    10,077.14/13,905.84 = 5,600.75/x
  3. Step 3: Cross multiply
    10,077.14x = 13,905.84 × 5,600.75
  4. Step 4: Simplify right side
    10,077.14x = 77,883,084.85
  5. Step 5: Solve for x
    x = 77,883,084.85/10,077.14
  6. Step 6: Final answer
    x = 7,728.69

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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.