Home / 9,942.33-13,720.44-5,693.45

Finding the Fourth Proportional to 9,942.33, 13,720.44 and 5,693.45

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Solution

The fourth proportional to 9,942.33, 13,720.44 and 5,693.45 is: 7,856.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.33 : 13,720.44 = 5,693.45 : x
  2. Step 2: Convert to fraction form
    9,942.33/13,720.44 = 5,693.45/x
  3. Step 3: Cross multiply
    9,942.33x = 13,720.44 × 5,693.45
  4. Step 4: Simplify right side
    9,942.33x = 78,116,639.12
  5. Step 5: Solve for x
    x = 78,116,639.12/9,942.33
  6. Step 6: Final answer
    x = 7,856.98

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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.